A quadrilateral has angle measures of 50°, 72°, and 78°. What is the measure of the fourth angle? 160° 60° 50° 100°

JTMon asked May 25, 2022

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19 votes

A quadrilateral has angle measures of 50°, 72°, and 78°. What is the measure of the fourth angle?

160°
60°
50°
100°

JTMon asked May 25, 2022

by JTMon

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10 votes

Answer:

160°

Explanation:

Quadrilateral's angles add up to 360 degrees.

So:

x = fourth angle measure (unknown currently)

50° + 72° + 78° + x = 360°

200° + x = 360°

x = 160°

MrBar answered May 31, 2022

by MrBar

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