Question

(iii) If two angles are congruent and supplementary, the angles are
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Answer 1

Answer:

90 degree

Step-by-step explanation:

90 degree = 90 degree

90 degree+90 degree = 180 degree

Answer 2

Answer:

90°

Step-by-step explanation:

it is because

sum of supplementary angles = 180°

ATQ,

both angles are congruent ie, equal so the angles be x

x + x = 180°

2x =180°

x=180°

2

x= 90°