135k views
2 votes
Solve for side AB, must show work

Solve for side AB, must show work-example-1
User Inxoy
by
7.6k points

2 Answers

2 votes
We can solve for side AB using the trigonometric ratio cos, where cosA=adjacent/hypotenuse.


cos25= (7)/(x) = x= (7)/(cos25) = 7.7

:)
6 votes
cos = adj/hyp
hyp = AB
cos(25) = 7/AB
AB = 7.7
User Ertes
by
7.4k points