SinФ=-12/13
cosФ=Base/hypotenus
(hy)^2-(perpendicular)^2=(base)^2=13^2-12^2=5
cosФ=-5/13
Answer:
10.2
Step-by-step explanation:
-3.2+(16.4)-3=
13.2-3
10.2
Answer:
He leaves $0.75
Step-by-step explanation:
10%=0.125
0.125x6= 0.75 = 60%
Answer:
they are not
Step-by-step explanation:
They are not because the angles and sides are different and not equivalent