Question

Find the perimeter and area of a plot whose length and breadth are 7m50cm 4m40cm respectively

Answer 1

Given Data of Rectangle -

Length = 7m 50cm

= 7m + (50 / 100)m

= 7m + 0.50 m

= 7.50 m

= 7.5 m

Breadth = 4m 40cm

= 4m + (40 / 100)m

= 4m + 0.40m

= 4.40 m

= 4.4 m

∴ Perimeter of Rectangle

= 2 × (length + breadth)

= 2 × (7.5 + 4.4) m

= 2 × (11.9) m

= 23.8 m

∴ Area of Rectangle

= (length × breadth) square units

= (7.5 × 4.5) m²

= 33 m²

Hence, the perimeter of the Rectangle is 23.8 meters and the area of the Rectangle is 33m².

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Answer 2

Given :

Length = 7 m and 50 cm = 700cm+50cm = 750 cm

Breadth = 4 m 40 cm= 400cm+40cm = 440 cm

To Find : Perimeter and Area

Solution :

Perimeter = 2(l+b) = 2(750+440) = 2(1190) = 2380 cm

Area = Length× Breadth = 750×440 = 330000 cm² .

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