Question

jazlyn wants to purchase a triangular trampoline. $a = \frac{1}{2}bh$. what are the actual base and height of the trampoline? actual base = ? ft. actual height = ? ft. 1 in. : 4 ft

Explanation:

Step1: Calculate actual base

Use the scale factor. Given scale is 1 in. : 4 ft, and base on - drawing is 2.5 in. So actual base = 2.5×4.
$2.5\times4 = 10$

Step2: Calculate actual height

Use the scale factor. Given height on - drawing is 3 in. So actual height = 3×4.
$3\times4=12$

Answer:

Actual base = 10 ft
Actual height = 12 ft