Question

Help, please!! What is the mR

Answer 1

Using the sine rule,

36/sin(50)=20/sin(R)

46.9=20/sin(R)

Sin(R)=46.9/20=0.43

R=Sin¯¹(0.43)=25.2°=25°

R=25°

Answer 2

Answer: I think it’s B (25)

Explanation: