Answer:
x = 23°
Explanation:
Sum of interior angle
(n - 2)180. note: the sides are 3
(3 - 2)180
(1)180
180°.
the value of x
31° + 3x° + 34° + 2x° = 180°
31° + 34° + 3x + 2x = 180°.
65° + 5x = 180°
5x = 180° - 65°
5x = 115°
5x/5 = 115/5
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