jasonchen2101 jasonchen2101

15-06-2020
Mathematics

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Please help, I'm really confused and would really appreciate the help. What is the measure of angle R and how do I find it?

Please help Im really confused and would really appreciate the help What is the measure of angle R and how do I find it class=

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MathPhys MathPhys

15-06-2020

Answer:

37.9°

Step-by-step explanation:

ΔABC is similar to ΔPQR, so ∠R ≅ ∠C.

Given AB = 7 and AC = 9, we can find m∠C using tangent.

tan C = AB / AC

tan C = 7 / 9

m∠C = 37.9°

m∠R = 37.9°

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