Perimeter of a square and a rectangle is same. If a side of the square is 15 cm and one side of the rectangle is 18 cm, find the area of the rectangle.
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Find the side of the square whose perimeter is 20 m.
Perimeter of square = 4 x side ⇒ 20 = 4 x side ⇒ side = 20/4 = 5 cm Thus, the side of square is 5 cm.
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The side of a square is 10 cm. How many times will the new perimeter become if the side of the square is doubled?
The correct option is (A) 2 times.
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If length of a rectangle is halved and breadth is doubled then the area of the rectangle obtained remains same.
If length of a rectangle is halved and breadth is doubled then the area of the rectangle obtained remains same. True
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Length of a rectangle is three times its breadth. Perimeter of the rectangle is 40cm. Find its length and width.
Length = 15 cm Width = 5 cm.
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The perimeter of a rectangle is 130 cm. If the breadth of the rectangle is 30 cm, find its length. Also, find the area of the rectangle.
Perimeter of rectangle = 130 cm ⇒ 2 (length + breadth) = 130 cm ⇒ 2 (length + 30) = 130 ⇒length + 30 = 130/2 ⇒length + 30 = 65 ⇒length = 65 –...
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The perimeter of a parallelogram is 22 cm. If the longer side measures 6.5 cm what is the measure of the shorter side?
Let the shorter side be x Perimeter = x + 6.5 + 6.5 + x 22 = 2(x+6.5) 11 = x + 6.5 x = 11 - 6.5 = 4.5 cm Shorter side = 4.5...
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The length of a rectangle is two times its width. The perimeter of the rectangle is 180 cm. Find the dimensions of the rectangle.
Correct answer is width = 30 cm, length = 60 cm
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Choose the correct one. The perimeter of the rectangle whose length is 60 cm and a diagonal is 61 cm is (a) 120 cm (b) 122 cm (c) 71 cm (d) 142 cm
Correct answer is (d)142 cm
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The length of a rectangle is three times the breadth. If the minimum perimeter of the rectangle is 160 cm, then
(C) is the correct choice. If x cm is the breadth, then 2 (3x + x) ≥ 160 ⇒ x ≥ 20
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The longest side of a triangle is twice the shortest side and the third side is 2cm longer than the shortest side.
Let the length of shortest side be x cm. According to the given information, Longest side = 2 x Shortest side = 2x cm And third side = 2 + Shortest side =...
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