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Hiren Spaculus · Answer 1 · 2021-08-18T21:13:34+0000

Answer:

50°

Explanation:

Given figure is a quadrilateral. Sum of the measures of all the angles of a quadrilateral is 360°.

Therefore,

$(x + 10 )\degree + 2x \degree + x\degree + 3x\degree = 360 \degree \\ \\ (7x + 10 )\degree = 360 \degree \\ \\ 7x + 10 = 360 \\ \\ 7x = 360 - 10 \\ \\ 7x = 350 \\ \\ x = (350)/(7) \\ \\ x = 50$

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