Mathematics: Which equation can be used to find the measure of angle LKJ? cos−1(StartFraction 8.9 Over 10.9 EndFraction) = x cos−1(StartFraction 10.9 Over 8.9 EndFraction) = x sin−1(StartFraction 10.9 Over 8.9 EndFraction) = x sin−1(StartFraction 8.9 Over 10.9 EndFraction) = x

Chcncncbdd isnxnxucndbdjd disband...

Which equation can be used to find the measure

garciatania837

28.01.2022

fourth option

Step-by-step explanation:

Using the sine ratio in the right triangle.

sin JKL = $\frac{opposite}{hypotenuse}$ = $\frac{JL}{KJ}$ = $\frac{8.9}{10.9}$ , thus

x = $sin^{-1}$ ( $\frac{8.9}{10.9}$ )

0,0(0 оценок)