Question

The side of a square ABCD is 5cm and another square PQRS has perimeter equal to 40cm. Find the ratio of the perimeter of ABCD to perimeter of PQRS. Find the ratio of the area ABCD to the area of PQRS.

Answer 1

ABCD

LENGTH=5cm

PERIMETER=4(5)=20cm

AREA=5^2=25cm^2

RATIO=ABCD:PQRS=20:40=1:2(A)

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PQRS

LENGTH=40/4=10cm

AREA=10^2=100cm^2

RATIO=ABCD:PQRS=25:100=1:4(A)