The area of the rhombus is 1080 sq m and one of the diagonals is 72 m. What is the perimeter of the rhombus
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area of diagonal = diagonal × diagonal /2
1080 = 72 ×diagonal ÷ 2
1080×2÷72 =diagonal
1080 ÷ 36 = diagonal
5 = diagonal
perimeter = 4 × 36=144
1080 = 72 ×diagonal ÷ 2
1080×2÷72 =diagonal
1080 ÷ 36 = diagonal
5 = diagonal
perimeter = 4 × 36=144
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