问题描述:
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The length and width of a rectangle are 12cm and 5cm respectively. If the length is increased by 50% and the width is decreased by 20%.
(a)Find the original area of the rectangle.
(b)Find the new area of the rectangle.
(c)Find the percentage increase in the area of the rectangle.
The length and width of a rectangle are 12cm and 5cm respectively. If the length is increased by 50% and the width is decreased by 20%.
(a)Find the original area of the rectangle.
(b)Find the new area of the rectangle.
(c)Find the percentage increase in the area of the rectangle.
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