Find the cosine of ∠R. A) 12 13 B) 13 12 C) 5 12 D) 5 13

asked Apr 17, 2020 226k views

0 votes

Find the cosine of ∠R.

A)
12
13
B)
13
12
C)
5
12
D)
5
13

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2 votes

Solution:
(12)/(13) . The cosine of an acute angle of a right triangle is the adjacent side divided by the hypotenuse.