Given AB = 4, AC = 5, the perimeter of the rectangle is -

Given AB = 4, AC = 5, the perimeter of the rectangle is - ?

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Best Answer Explained in Below-:

AB2 + BC2 = AC2 or, BC2 = AC2 - AB2 or, BC = √(AC2 - AB2) or, BC = √(52 - 42) = 3 So, perimeter of the rectangle = 2(AB + BC) = 2(4 + 3) = 14

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Given AB = 4, AC = 5, the perimeter of the rectangle is - ?

Sumi walks to her office at the rate of 4 miles per hour. If she increases her walking speed by 1 mile per hour , she would reach her office half an hour earlier than the previous time. What is the distance in miles of her office from her house ?

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