Suppose that m /_BCA=70^@, and x=33 cm and y = 47 cm. What is the degree measure of /_ABC? 01510101651.png

Suppose that \(\displaystyle{m}\angle{B}{C}{A}={70}^{\circ}\), and x=33 cm and y = 47 cm. What is the degree measure of \(\displaystyle\angle{A}{B}{C}\)?

Answers (1)

Using the cosine law,

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