Subject
Quantitative Aptitude
Topic
Areas & Volumes
If the diagonal of a rectangle is 17cm long and its perimeter is 46 cm. Find the area of the rectangle.
If the diagonal of a rectangle is 17cm long and its perimeter is 46 cm. Find the area of the rectangle.
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110খ)
120গ)
130ঘ)
140Explanation
let length = x and breadth = y then 2(x+y) = 46 => x+y = 23 x²+y² = 17² = 289 now (x+y)² = 23² => x²+y²+2xy= 529 => 289+ 2xy = 529 => xy = 120 area = xy = 120 sq.cmRelated questions
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