1. In the figure, AB || CD. (a) List down (1) two pairs of equal corresponding angles, (ii) two pairs of equal alternate angles, (iii) two pairs of interior angles which are supplementary. (b) Is BWQ = AXR? Explain your answer. c) Is the sum of DYP and CZR equal to 180? Explain your answer.
1. 1. In the figure, AB || CD. (a) List down (1) two pairs of equal corresponding angles, (ii) two pairs of equal alternate angles, (iii) two pairs of interior angles which are supplementary. (b) Is BWQ = AXR? Explain your answer. c) Is the sum of DYP and CZR equal to 180? Explain your answer.
Penjelasan dengan langkah-langkah:
Kita translite ke Bahasa Indonesia dulu
Pada gambar, AB || CD.
(a) Daftar ke bawah
(1) dua pasang sudut yang bersesuaian sama besar,
(ii) dua pasang sudut yang sama besar,
(iii) dua pasang sudut dalam yang bersuplemen.
(b) Apakah BWQ = AXR? Jelaskan jawabanmu.
c) Apakah jumlah DYP dan CZR sama dengan 180? Jelaskan jawaban Anda
Garis dan SudutJawaban
A.
(i) 2 Pasang sudut yang bersesuaian sama besar adalah
< W = < X
< Y = < Z
(ii) 2 Pasang sudut yang sama besar
< W = < X
< Y = < Z
(iii) 2 Pasang sudut dalam yang tambahan
< YWX dan < ZXW
< WYZ dan < XZY
B. BWQ = AXR
Tidak sama karena < BWQ lebih landai dibandingkan dengan < AXR yang lebih lancip
C. DYP + CZR = 180⁰
Ya, karena < DYP dan < CZR saling berhadapan maka jumlah kedua sudut adalan 180⁰
Detail Jawaban
Mapel: Matematika
Kelas: 7 / VII SMP
Materi : Garis dan Sudut
Kode Kategorisasi: -
Kata Kunci: Garis dan Sudut
Demikian
Semoga membantu dan bermanfaat!
2. 3. In the diagram, the sizes of two angles are marked.a What other angles are 105°?b What other angles are 75°?
Jawab:
a) 105⁰ = q⁰, r⁰, u⁰
b) 75⁰ = p⁰, s⁰, t⁰
Penjelasan dengan langkah-langkah:
105⁰ opposite with q⁰ so it's equal
105⁰ have same direction with r⁰ so it's equal
r⁰ opposite with u⁰ so it's equal too
For 75⁰ the explanation it's the same
3. the sum of three angles of triangle of 180 deg. the sum of two of the angles is equal to the third angle and the difference of the two angles is equal to 2/3 the third angles find the angles of this triangle?
suppose that :
x = first angle
y = second angle
z = third angle
The sum of three angles of triangle of 180°
So :
x + y + z = 180
The sum of two of the angles is equal to the third angle
So :
x + y = z
The difference of the two angles is equal to 2/3 the third angles
So :
x - y = (2/3) z
subtitute x + y = z
x + y + z = 180
z + z = 180
2z = 180
z = 180/2
z = 90
x + y = z
x + y = 90
x - y = (2/3) z
x - y = (2/3) (90)
x - y = 60 >>> x = 60 + y
subtitute x = 60 + y
x + y = 90
60 + y + y = 90
60 + 2y = 90
2y = 90 - 60
2y = 30
y = 30/2
y = 15
x = 60 + y
x = 60 + 15
x = 75
We got :
x = 75
y = 15
z = 90
So, the angles are 75°, 15°, and 90°
4. if the sum of interior angles is 9 times from the sum of exterior angles . find waht kind of poligon is the shape
The sum exterior angles always 360°
9 x 360° = 3240°
Sum of interior angles = (n - 2) x 180°
3240° = (n - 2) x 180°
n - 2 = 18°
n = 20°
The poligon is called icosagon.
5. find the size of the ubknown angles in each of the diagram
Jawaban:
benar
Penjelasan dengan langkah-langkah:
karna bau lu tersebut cepirit
6. Angle (2x – 25) and (x + 15) are vertical angles. The complement of x is …. a. 30° b. 70° c. 20° d. 50°
ANGLE
karena bertolak belakang (vertical angles), maka :
2x - 25 = x + 15
x = 15 + 25
x = 40°
complement artinya berpenyiku, sehingga komplemen dari x adalah 50° (90° - 40°)
jawaban : D
7. If the angles of a triangle are inthe ratio 1:3:5, then how many degrees are in the measure of the smalest angle?
Jawab:
Penjelasan dengan langkah-langkah:
Jawaban:
angles ratio = 1 : 3 : 5
= x, 3x, 5x
smallest angle = x
total angles in triangle = 180⁰
x+3x+5x= 180
9x= 180
x= 20⁰---------
semangat belajar...
8. calculate the sizes of the lettered angles
Jawab:
c = 204°a = 228°Penjelasan dengan langkah-langkah:
<c = 360° - (36° + 68° + 52°)= 360° - 156°
= 204°
<a = 360° - (42° + 90°)= 360° - 132°
= 228°
=====================================
DETAIL JAWABAN=====================================
Mapel : Matematika
Kelas : 7
Materi : Garis dan Sudut
Kata Kunci : Calculate the size of teh lettered angles, <c and <a
Kode Soal : 2
Kode Kategori : 7.2
9. find the size of the unknown angles in each of the diagrams
Jawaban:
x=81°
Penjelasan dengan langkah-langkah:
Langkah cara terdapat di dalam gambar
10. find the size of the unknown angles in each diagrams
Jawaban:
360° = 120° + 92° + 65° + X°
360° = 212° + 65° + X°
360° = 277° + X°
360° - 277° = X°
83° = X°
So, The Unknown Angles In X Is 83°
Semoga Membantu <3
Maaf Kalau Ada Yang Salah <(￣︶￣)>
11. calculate the sizes of the lettered angles.
Jawaban:
c°=180°-(60+24)°=180°-84=96°
d°=180°-(34+90)°=180°-124°=56°
12. Apa terjemahan bahasa Indonesia dari: - Supplementary Angles - Complementary Angles - Corresponding Angles - Alternate interior Angles - Alternate exterior Angles - Opposite Angles
- Tambahan Angles
- Pelengkap Angles
- Angles korespondensi
- Alternatif interior Angles
- Angles eksterior Alternatif
- Angles Opposite
Maaf kalau salah.
13. A plane shape has these types (1) Has 4 sides and 4 angles (2) Has 2 pairs of parallel sides (3) Has 2 cute angles and 2 obtuse angles. The plane shape below with the types above is
Jawab:
Parallelogram (jajargenjang)
Penjelasan dengan langkah-langkah:
Maaf kalau salah
14. Apa yang dimaksud dengan: - Supplementary Angles - Complementary Angles - Corresponding Angles - Alternate interior Angles - Alternate exterior Angles - Opposite Angles
- sudut suplemen atau sudut yang berpelurus Sifat : Kalo dijumlahkan hasilnya 180 derajat - sudut komplemen atau berpenyiku Sifat : Kalo dijumlahkan hasilnya 90 derajat - saya gatau corresponding, maaaaf - sudut dalam bersebrangan Sifat : Besarnya sama - sudut luar bersebrangan Sifat : Besarnya sama - sudut bertolak belakang Sifat : Besarnya sama Maaf kalau salah
15. If the angles of a triangle are inthe ratio 1:3:5, then how many degrees are in the measure of the smalest angle?
Jawaban:
22.5 degrees
Penjelasan:
one triangle has total of 360 degrees
so :
one plus three plus five equals eight
small angle of triangle has a ratio 1 of 8 (1/8)
1/8 . 180 = 22.5 degrees
16. Sum of two angles 95 difference 25 angles
Jawaban:2x=95-25=70. ×=70/2=35.so 3 angles are 35,60,85. Yes D is correct answer as 60+35=95 and 60 _35=25 . This discussion on The sum of the two angles in a triangle is 95° and their difference is 25°.
Penjelasan: maaf kalo salah
17. There are..... The shapes of them are..... Because they have ...... sides and.... angles
Jawaban:
There are.....
The shapes of them are.....
Because they have ...... sides and.... angles
Answer :
There are trianglerulers
Theshapesofthemaretriangle
Becausetheyhavethreesidesandthreeangles
trianglerulers:Penggaris² segitiga
sides : sisi
angles : sudut
Mapel : Bahasa Inggris
Materi : two-dimentional figure
18. Find the perimeter of the figure. (All lines meet at right angles. 42 cm 34 cm
The perimeter of the figure is 152 cm
Langkah langkahThe perimeter of the figure
= 2(34) + 2(42)
= 68 + 84
= 152 cm
19. calculate the sizes of the lettered angles.
c° : 96°d° : 56°
Penjelasan dengan langkah-langkah:
c°=180-60-24
=96
d°=180-90-34
=56
20. find the size of the unknown angles in each of the diagrams
Jawaban:
105+5x=180
5x=180-105
5x=75
x=75÷5
x=15
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