Math, asked by Ladylaurel, 7 months ago

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Answered by emreen
1
2x+3x:180
5x:180
X:180/5
X:36
Hence angle A =2x:2*36:72
Angle D=3x:3*36:108
4y+5y:180
9y:180
y:180/9
y:20
Hence angle B=4y:4*20:80
Angle C:5y:5*20:100
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Answered by kpr2007
1

Answer:

a: d is 2:3 is = 2x , 3x sum is 180

2x+3x =180

5x = 180

transporting

x = 180/5

x = 36

a = 2(36)= 72

d = 3(36) =108

b:c is 4:5 is = 4y,5y sum is 180

4y+5y= 180

9y = 180

transporting

y = 180/9

y = 20

b = 4(20) = 80

c = 5(20) = 100

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