Question

∟A and ∟B form a linear pair. ∟ A = 5a + 16 and ∟ B = 144°, find ‘a’ and the measure of angle A.​

Answer 1

Answer:

20

Step-by-step explanation:

Ang.A + Ang. B =180°

SO 5A+16+144=180

SO CALCULATE THE VALUE OF a

Answer 2

Answer:

Step-by-step explanation:

a - 2b = 30° ------ (1)

a + b = 180° ------(2)

On subtracting equation 1 from 2, we get

3b = 150°

=> b = 50°

a = 180 - 50

=> a = 130°