The interior angles of a polygon are; (3x + 30), x, 2x, (x + 20) and 3x. find the value of x

asked Dec 28, 2023 92.4k views

5 votes

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4 votes

Answer: 49

Explanation:

This polygon has 5 sides, meaning its interior angles add to
$180(5-2)=540^(\circ)$ .

$3x+30+x+2x+x+20+3x=540\\\\10x+50=540\\\\10x=490\\\\x=49$

Nict answered Jan 1, 2024

by Nict

8.0k points

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