70 pieces
7/10 = x/100
10*10=100
7*10 = 70
70/100
Answer:
See below.
Step-by-step explanation:
Using the right triangle altitude theorem, the correct proportions are:





AC = 20 cm





CB = 15 cm
You know the definitions of the trig functions tell you
.. cos(78°) = (5 ft)/?
.. ? = (5 ft)/cos(78°) ≈ 24.0 ft
Heya !
Given expression -

Subtracting 25 both sides ,

Dividing by 3 on both sides ,

Therefore ,