10. The ratio of the interior angles of a pentagon is 3:4:5:5: 7. Find
() the largest interior angle,
(ii) the largest exterior angle.
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Answer:
157.5° is the correct answer
explanation
that we all know that sum of all angle of a Pentagon or hexagon is(2n-4)×90
so (2×5-4)×90
=6×90
=540°
3x+5x+5x+7x=540
24x=540
x=540÷24
=22.5°
largest angle = 22.5×7
=157.5°
please tell that it is right or wrong
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