Learning Task 2. Using the figure below, solve the required unknown value of right triangle ABC. Show your
solution
А
С
1. If A= 15° and c = 37, find a
2. If A= 76° and a = 13, find b.
3. If a = 13 and B = 16°, find c.
4. If b = 10 and c = 20, find m2A.
5. If a= 7 and b = 11, find mzB.
B
TT
Answers & Comments
Verified answer
∆ABC
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» Using the figure below, solve the required unknown value of right triangle ABC.
#1 (If A=15° and c=37, find a)
ANSWER: a = 35.74
#2 (If A=76° and a=13, find b)
ANSWER: b = 52.14
#3 (If a=13 and B=16°, find c)
ANSWER: c = 47.16
#4 (If b=10 and c=20, find m∠A)
ANSWER: m∠A = 30°
#5 (If a=7 and b=11, find m∠B)
ANSWER: m∠B = 32.47°
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A. Sine
B. Tangent
C. Cosine
D. Cotangent
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