Question

Which equation can be used to solve for b?

B
5 cm
С
10 cm
b
30°
A
O tan(300) =
5
ulo olu
Peri
O tan(30°) = 5
110

Answer 1

`cos30^o=(b)/(10)`

Explanation:

cosθ=adj/hyp

cos30°=AC/AB

cos30°=b/10

~

Hope this helps!