Question

If three interior angles of a pentagon are 100° ,110° and 90° and if the other two angles are equal ,find the equal angles.

Answer 1

Answer:

i hope it will help u ........

Answer 2

Answer:

each angle = 120°

Step-by-step explanation:

we know that,

sum of angles of pentagon = 540°

let the other two equal angles = x

then,

x + x + 110°+ 100° + 90° = 540°

2x + 300° = 540°

2x = 540° -300°

2x = 240°

x= 120°

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