A = 1/2 hb
20 = 1/2 x 4 x b
20 = 2 b
b = 20 /2
b = 10
answer is <span>10 m</span>
Answer:
Step-by-step explanation:
The length of the airplane = 87 feet
<u>The scale </u>
- 2in = 8ft ⇒ 1 ft = 2/8 in ⇒ 1 ft = 1/4 in
<u>The length of the model:</u>
- 87*1/4 in = 21 3/4 in = 21.75 in
Correct choice is B
Answer:

Step-by-step explanation:
