Respuesta :

Answer:

x = 12.936

Step-by-step explanation:

sin(38) = .616

x/21 = .616/1

x = 12.936

Answer: x= 12.92889098

Step-by-step explanation:

Step 1: Cross multiply sin38/1 with x/21  

Step 2: x= 21 sin38

step 3: use a scientific calculator (you can type in desmos calculator for one) to input 21 sin(38) to get answer.

Ver imagen rachel92856