Question

A
b
figure Lane and LBoc faim
linear pain . If a 26=30
find a and b ?​

Answer 1

Answer:

a=130°, b=50°

Step-by-step explanation:

We known that

a+b= 180° [°.° Straight line =180°]

a=180°- b --------(1)

Given, a- 2b = 30°

180° - b - 2b = 30°

-3b =30°-180°

-3b= -150°

b = 150/3

b=50

Substitute b = 50 in ----(1)

a=180-b

a=180-50

a=130°

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Answer 2

Answer:

we know that

a+b = 180° - b _ _ _ _ _ _ _ _ (1)

Given, a - 2b = 30°

180° - b - 2b = 30°

- 3b = 30°- 180°

- 3b = - 150°

b = 150/3

b = 50

Substitute b = 50 in _ _ _ _ _ (1)

a = 180 _ b

a = 180 - 50

a = 130°

Step-by-step explanation:

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