If r=7 and s=10, find r. round answer to the nearest tenth.

In the given figure for <R ,the opposite side is r and the adjacent side is s.

Given r=7,s=10.

Tan of any angle is the ratio of opposite and hypotenuse.

Tan R=

Substituting values of opposite r=7 and adjacent s=10 we have:

Tan R =

R= 34.99 degrees

R= 35 degrees

Option A is the right answer.

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