Prove that the measure of angle 5 plus the measure of angle 3 is 90
Chapter 2, Problem 73(choose chapter or problem)
For Exercises 73–75, use the following facts from geometry and the accompanying figure.
• The interior angles of a triangle sum to \(180^{\circ}\).
• Vertical angles (opposite angles formed when two lines intersect) are the same size.
• A straight angle is \(180^{\circ}\).
• A right angle is \(90^{\circ}\).
Prove that the measure of angle 5 plus the measure of angle 3 is \(90^{\circ}\)
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