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If the length5. The perimeter of a rectangle is three times the permeti vru vyuo vue is omof the rectangle is 54 cm, find the area of the rectangle.6. The length and breadth of a rectangle are in the ratio 3 : 2. If its perimeter is 250 m7. If the length of a rectangle is increased 10 times and its breadth is decreased to50 m, find its areadecreased to one-fifth |
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Answer» Answer: Let the length of the rectangle be x 3 x
Perimeter = 56 m 2(l+b) = 56 m l+b = 28 m x+\frac{x}{3}x+ 3 x
= 28 m x = 21 m length = 21 m Breadth = 7 m . |
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