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Please solve for the side CA.

Please solve for the side CA.
asked 79.3k views
4 votes
Please solve for the side CA.

Please solve for the side CA.-example-1
asked
User Giorgos Ath
by
8.1k points

2 Answers

5 votes

Answer:

16 mm

Explanation:

cosine rule: c^2 = a^2 + b^2 - 2abcosC

15^2 + 10^2 - 2(15)(10) × cos(20) = 255.051288633

root 255.051288633 = 15.9703252513

round to 16 for suitable scaling

answered
User Ke Zhang
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7.7k points
6 votes
Boop bop joop jop gloop glop ploop plop
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User Somatik
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7.7k points
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