Question

What are the values of A, B, C, and D

Answer 1

a=5 ;b=10 ;c= 5 ; d= 5√3

Explanation:

sin 45=9/5√2

a=5√2 sin 45

a= 5

tan45= 5/c

c=5/tan45

c= 5

tan 30=a/d

=5/d

d=5/tan 30

d=5√3

sin 30=5/b

b= 5/sin 30

b= 10