The perimeter of the rhombus is 40 cm and one of its corners is 30 degrees. Find the area of the rhombus.
| February 11, 2021 | education
1. How long is the side of the diamond?
Since all sides of a rhombus are equal, so we divide the 40 cm rhombus perimeter by 4.
40: 4 = 10 cm.
2. What is the area of the rhombus?
S = a ^ 2 * sin ᵦ = 102 * sin 30˚ = 100 * (1/2) = 50 cm2.
Answer: the area of the rhombus is 50 cm2.
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