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Solve a triangle when A=40°, B=59°, and c=14.

Solve a triangle when A=40°, B=59°, and c=14.-example-1

2 Answers

4 votes

Answer:

(c) ⇒ C = 81° , a = 9.1 , b = 12.1

Explanation:

User Sechilds
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3 votes

Answer:

The answer is (c) ⇒ C = 81° , a = 9.1 , b = 12.1

Explanation:

∵ m∠A = 40° , m∠B = 59

∴ m∠C = 180 - (40 + 59) = 81

∵ c = 14

By using sin rule


(14)/(sin81)=(a)/(sin40)


a=(14sin40)/(sin81)=9.1


(14)/(sin81)=(b)/(sin59)


b=(14sin59)/(sin81)=12.1

∴ m∠C = 81° , a = 9.1 , b = 12.1

User Hasan Bayat
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