Question

Question 14th answer

Answer 1

Answer:

let a = 2x, b = 3x

a + b = 90

2x + 3x = 90

5x = 90

x = 18

b = 3x = 3×18= 54

b+c = 180⁰ (linear pair)

54 + c = 180⁰

c = 180⁰-54⁰

c = 126⁰

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