Solve:

m – 35 = 21
a. m = 45
b. m = 63
c. m = 21
d. m = 56

m – 35 = 21
Add 35 to both sides
Final D. m = 56

M - 35 = 21
m = 35 + 21
m = 56

In short, Your Answer would be Option D

Hope this helps!

Hello! i hope this
since the cosine is the ratio of the adjacent side to the hypotenuse, you can see that cos 60° = ½. answer. according to the property of cofunctions (topic 3), sin 30° is equal to cos 60°. sin 30° = ½.