Question

A kite has A=120 cm2 and d1=16 cm. Identify the length of d2.

A) d2 = 15 cm
B) d2 = 7.5 cm
C) d2 = 12 cm
D) d2 = 18 cm

Answer 1

You’re would be letter B

Answer 2

Answer: d2 = 15 cm

Explanation:

The area of a kite with diagonald d1 and d2 is

A = 1/2(d1)(d2)

From the formula A = 1/2(d1)(d2) find d2.

d2 = 2A/d1

Substitute A = 120cm2 and d1 = 16 cm.

d2 = 2(120)/16

simplify.

d2 = 15 cm

Therefore, the length of d2 is 15 cm.