Question

In ΔRST, the measure of ∠T=90°, the measure of ∠S=21°, and ST = 7.7 feet. Find the length of TR to the nearest tenth of a foot.

Answer 1

Answer:

TR = 3 ft

Step-by-step explanation:

tan x = $\frac{o}{a}$

tan (21) = $\frac{o}{7.7}$

7.7( tan 21) = o

2.9 = o

round up and you get;

3.0=o