find the area of a rhombus in which side is equal to 15cm andof whose diagnoals is 24cm?
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side = 15
In Rhombus side² = (d1/2)² + (d2/2)² (d1 and d2 are diagonals)
15² = (24/2)² + (d2/2)²
225 = 12²+ (d2/2)²
225-144 = (d2/2)²
81 = (d2/2)²
d2/2 = √81
d2 = 9×2
d2 = 18
The area of rhombus is given by the formula 1/2× d1×d2
so 1/2×24×18 = 216cm²
The area = 216cm²
In Rhombus side² = (d1/2)² + (d2/2)² (d1 and d2 are diagonals)
15² = (24/2)² + (d2/2)²
225 = 12²+ (d2/2)²
225-144 = (d2/2)²
81 = (d2/2)²
d2/2 = √81
d2 = 9×2
d2 = 18
The area of rhombus is given by the formula 1/2× d1×d2
so 1/2×24×18 = 216cm²
The area = 216cm²
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