Answer:
Area of search zone = 8.4 miles²
Explanation:
Given:
One side = 2.4 miles
Hypotenuse side = 7.4 miles
Find:
Area of search zone = ?
Computation:
Another side:

⇒ Area of search zone = 1/2 [One side × Another side]
⇒ Area of search zone = 1/2 [2.4 miles × 7]
⇒ Area of search zone = 1/2 [16.8]
⇒ Area of search zone = 8.4 miles²