A sign is in the shape of a rhombus with a 60° angle and sides of 12 cm long. Find its area to the nearest tenth. Select one: a. 62.4 cm2 b. 5.2 cm2 c. 124.7 cm2 d. 10.4 cm2

Question

Mathematics

Rosa Elliott

8 December, 01:19

A sign is in the shape of a rhombus with a 60° angle and sides of 12 cm long. Find its area to the nearest tenth. Select one: a. 62.4 cm2 b. 5.2 cm2 c. 124.7 cm2 d. 10.4 cm2

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Answers (1)

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Rhianna Valencia · Answer 1

The area of a rhombus can be computed from its side (s) and angle (θ) by

... A = s^2*sin (θ)

For your numbers, this is

... A = (12 cm) ^2*sin (60°) ≈ 124.7 cm^2