Step-by-step explanation:
cos70°=6/x
x=6/cos70°
x=17,54
x=y
tan70°=h/6
h=tan70°×6
h=16,48
Answer:
It should be 1
D 150 sq ft
10x12 = 120
1/2(10)(6) = 30
120+30 = 150
55 feet
| - 30 - 25 | = | - 55 | = 55 feet