Answer:
a) 6.1 feet
b) 12.6 feet
Step-by-step explanation:
Using trigonometric ratios we know that:

AKA SohCahToa.
To find the height, we will use sine.

To find the length we will use cosine.

Hey there!
6 (2 - 3g) - 10
= 12 - 18g- 10
= 12 - 10 - 18g
= <u>2</u><u> </u><u>-</u><u> </u><u>1</u><u>8</u><u>g</u>
Hope it helps ya!
Did you mean x^2? Then, the answer is x = +/-
, which is +/- 25.