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What must be the measure of
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What must be the measure of

What must be the measure of-example-1
User John Gordon
by
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2 Answers

4 votes

Answer:

∠D = 90°∠C = 80°

Explanation:

∠D = 90° (right angle)All right angles = 90°∠C = 80° (sum of all angles = 360°)110 + 80 + 90 + ∠C = 360°280 + ∠C = 360∠C = 80°

User Alper Turan
by
3.5k points
5 votes

Answer:

∠D = 90°

∠C = 80°

Explanation:

∠D = 90° (right angle)

All right angles = 90°

∠C = 80° (sum of all angles = 360°)

110 + 80 + 90 + ∠C = 360°

280 + ∠C = 360

∠C = 80°

User Jasiustasiu
by
2.9k points
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