Answer:
20
Step-by-step explanation:
The area of a kite is equal to the product of both of its diagonals and 1/2.
First diagonal:
2 + 2 = 4
Second diagonal:
8 + 2 = 10
Find the area.
10 × 4 × 1/2
40 × 1/2
= 20
A. 58/5= 11.6 mph
b. it take 1 hr to ride 11.6 miles
so in 3hrs he would travel 3 x 11.6=34.8mi