155k views
3 votes
In ΔIJK, the measure of ∠K=90°, JK = 90 feet, and KI = 54 feet. Find the measure of ∠I to the nearest tenth of a degree.

User Niemerds
by
5.5k points

1 Answer

1 vote

9514 1404 393

Answer:

∠I = 59.0°

Explanation:

The applicable trig relation is ...

Tan = Opposite/Adjacent

tan(I) = JK/KI = 90/54

I = arctan(90/54) ≈ 59.04°

The measure of angle I is about 59.0°.

User Dustin Silk
by
5.2k points