Area of rectangle is 192 cm²& its breath is 12 cm. Find the perimeter and the diagonal of the rectangle
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Answer:
perimeter=56cm
diagonal=20cm
Step-by-step explanation:
length=area÷breadth
=192÷12
=16cm
perimeter =2(l+b)
=2×(12+16)
=2×28
=56cm
now by Pythagoras
diagonal ² = l²+b²
diagonal ² =16²+12²
=256+144
=400
diagonal = √400
=20cm
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