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Trigonometry
Question

One of the acute angle of a right triangle has a m...

One of the acute angle of a right triangle has a measure of \( 31 ^ { \circ } \) . 

If the opposite side measures \( 42 cm \) , what is the length of the adjacent side? Select one:

a. \( 25.2 cm \) 

b. \( 69.9 cm \) 

c. \( 31.2 cm \) 

d. \( 56.7 cm\) 

Answer

adjacent side = \(\frac{42}{tan31}= 69.9 cm\)

Solution
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