Answer:
A. 38 degrees
Step-by-step explanation:
That entire angle is supplementary meaning it will add up to 180 degrees. So we are given 52 and 90 because of the right angle. Those together come to 142 then subtract that from 180 and get 38 degrees.
0?
according to question triangle is concurrent so two traingle= 1rectangle
so finally ans is 6×2(12+2)=168
47