Question

angle a =angle b.if angle a and angle b are supplementary angle,then angle a=_____

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Answer 1

Answer:

the answer is 90 degree

Explanation:

because angle a= angle b and they are supplementary angles that is 180° so 90 + 90 is equal to 180

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Answer 2

Answer:

90°

Explanation:

since angle a =angle b

let,a=b=x

then,

a+b=180°(supplementary angles sum upto 180°)

=>x+x=180°

=>2x=180°

=>x=180°/2

=>x=90°

therefore angle a=90°

hope it will help you