Question

Answers with work please.

Answer 1

7. Height = 21 in

8. Height = 13 cm or 130 mm

Explanation:

7.

½ × 5 × height = 52.5

height = 21 in

8.

23 mm ÷ 10 = 2.3 cm

½ × 2.3 × height = 14.95

height = 13