642 Chapter 12 Geometric Shapes Understanding 18 13. The corresponding angles property states that m(Z1) = m(Z2) in the figure. Angles Z3 and Z4 are called interior angles on the same side of the transversal. Prove that m(Z3)+ m(24)=180°. q lo ale 605 1 60S 608 /|m 4/2 14. Using the result of Problem 13, show that if a parallelo- gram has one right angle, then the parallelogram must be a rectangle.

Algebra & Trigonometry with Analytic Geometry
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Chapter8: Applications Of Trigonometry
Section8.2: The Law Of Cosines
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I need help with 13 and 14

642 Chapter 12 Geometric Shapes
Understanding
18
13. The corresponding angles property states that
m(Z1) = m(Z2) in the figure. Angles Z3 and Z4 are called
interior angles on the same side of the transversal. Prove
that m(Z3)+ m(24)=180°. q
lo ale
605
1
60S
608
/|m
4/2
14. Using the result of Problem 13, show that if a parallelo-
gram has one right angle, then the parallelogram must be
a rectangle.
Transcribed Image Text:642 Chapter 12 Geometric Shapes Understanding 18 13. The corresponding angles property states that m(Z1) = m(Z2) in the figure. Angles Z3 and Z4 are called interior angles on the same side of the transversal. Prove that m(Z3)+ m(24)=180°. q lo ale 605 1 60S 608 /|m 4/2 14. Using the result of Problem 13, show that if a parallelo- gram has one right angle, then the parallelogram must be a rectangle.
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