Question

11. What should be added to 20° to make it a
right angle?
(A) 160°
(B) 100
(C) 70°
(D) 90°
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Answer 1

70 option no. C. its ur correct answer

Answer 2

Option C - 70°
Explaination -
Right angle is 90° so x+20=90
X= 90-20
X=70