Question

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

Answer 1

Answer:

the answer is........

210°

Answer 2

Answer:

let the other two angles be X

X + X = 2X

100 +110+90+2X =540

300 + 2X = 540

2X = 540 - 300

2X = 240

X = 240/2

X = 120

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