Question

Find the angle which is thrice of its supplement

option (a) 45 degree
(b) 90 degree
(c) 180 degree
(d) 135 degree​

Answer 1

Answer:

let angle be x

x = 3(180-x)

x= 540-3x

4x=540

x= 540/4

x= 135

ANSWER= 135 degrees

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