Triangle Congruency: Cpctc - Finding Angles Worksheet With Answer Key
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9Name: ________________________ Class: ___________________ Date: __________
ID: A
Triangle Congruency: CPCTC
Multiple Choice
Identify the choice that best completes the statement or answers the question.
____
1. A pilot uses triangles to find the angle of elevation ∠A from the ground to her plane. How can she find m ∠A ?
a.
∆ABO ≅ ∆CDO by SAS
∠A ≅ ∠C by CPCTC
Therefore, m ∠A = 40° by substitution.
b.
∆ABO ≅ ∆CDO by CPCTC
∠A ≅ ∠C by SAS
Therefore, m ∠A = 40° by substitution.
c.
∆ABO ≅ ∆CDO by ASA
∠A ≅ ∠C by CPCTC
Therefore, m ∠A = 40° by substitution.
d.
∆ABO ≅ ∆CDO by CPCTC
∠A ≅ ∠C by ASA
Therefore, m ∠A = 40° by substitution.
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