Question

Help plz
A construction company is cutting into a hill from above in order to lay a foundation. If they have cut away enough of the dirt so that m A. 43
B. 47
C. 137
D. 86

Answer 1

B. 47 degrees

Explanation:
They already cut 43 degrees and they want to cut until a right angle is form which is 90 degrees. To find how much more they have to cut, do 90-43 which gives you 47.