perimeter of rhombus is 20 cm . its length of 1 diagonal is 6 cm. find its area
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Step-by-step explanation:
area of rhombus d`1×d`2÷2
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perimeter = 20 cm
4 x sides = 20 cm
sides = 5 cm
diagonals of rhombus bisect each
other at 90
hypo.²= height² + base²
25 = 9 + base²
4 = base
second diagonal = 4+4 = 8cm
area of rhombus = ½ x 8 x 6 cm² = 24 cm²
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