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In ΔJKL, j= 18 cm, l= 70 cm and ∠L=36°. Find all possible values of ∠J, to the nearest degree

User Esilik
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2 Answers

6 votes

Answer: 9∘

Explanation:

sinA/a = sinB/b

User VATSHAL
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4 votes

This is a straight application of the law of cosine: j2 = k2 + l2 -2 kl cos angle

You make the substitutions and do the arithmetic.

User Ashwini Chaudhary
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