Calculate the area of a rhombus if one of its diagonal is 9 cm, and the second is 10.
March 1, 2021 | education
| Given:
length – 9 cm;
width – 10 cm;
S =? cm².
A rhombus is a rectangle. A rectangle is a quadrangle, not a three-dimensional geometric figure, in which opposite sides are pairwise parallel and equal. The area of a rectangle is equal to the product of its sides and is calculated by the formula: S = a * b.
1) S = 9 * 10 = 90 (cm²).
Answer: 90 cm² area of a rhombus.
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