find the perimeter, area and length of diagonal of a rectangle length =20, Breadth =15
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length =20, Breadth =15
Area
= l×b
= 20×15
= 300cm²
perimeter
= 2(l+b)
= 2(20+15)
= 2×35
= 70 cm
length of diagonal
= √(l²+b²)
= √{(20)²+(15)²}
= √(400+225)
= √625 = 25cm
Area
= l×b
= 20×15
= 300cm²
perimeter
= 2(l+b)
= 2(20+15)
= 2×35
= 70 cm
length of diagonal
= √(l²+b²)
= √{(20)²+(15)²}
= √(400+225)
= √625 = 25cm
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