The diagonals of a rhombus are in the ratio 3 : 4. If the longer diagonal is 12 cm, then find the area of
the rhombus.
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Given : diagonals of a rhombus are in the ratio 3 : 4
longer diagonal is 12 cm
To Find : area of the rhombus.
Solution :
Let say diagonal length are 3L & 4L
4L is longer than 3L
4L = 12
=> L = 3
3L = 3 * 3 = 9 cm
4L = 12 cm
Area of Rhombus = (1/2) * diagonal 1 * diagonal 2
= (1/2) * 9 * 12
= (1/2) * 108
= 54 cm²
area of the rhombus. = 54 cm²
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