Question

Perimeter of rectangle is
224cm. Its length is thrice its
breadth, find length and
breadth​

Answer 1

ATQ,

perimeter of rectangle = 224 cm

bredth = x

length = 3x ( thrice the bredth )

formula for perimeter

perimeter = 2×(length + breadth )

224 cm = 2×( 3x + x )

( 2 will be transported to left )

224/2 = 4x

112 cm = 4x

112/4 = x

x = 28 cm

width = 28 cm

length = 3x = 3×28

= 84 cm

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