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Perimeter and Area | Perimeter and Area - Exercise

Question 2

A rectangular piece of dimensions 3 cm × 2 cm was cut from a rectangular sheet of paper of dimensions 6 cm × 5 cm (Fig. 9.14).

The area of the remaining sheet of paper is

(a) 30 cm2 (b) 36 cm2 (c) 24 cm2 (d) 22 cm2

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(c) 24 cm2

First, we have to calculate the area of rectangular piece = length × breadth

= 2 cm × 3 cm

= 6 cm2

So, the area of a sheet of paper of dimensions 6 cm × 5 cm

= 30 cm2

Then, the Area of the remaining sheet of paper is = 30 cm – 6 cm

= 24 cm2

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Our top 5% students will be awarded a special scholarship to Lido.

subject-cta

Question 2

A rectangular piece of dimensions 3 cm × 2 cm was cut from a rectangular sheet of paper of dimensions 6 cm × 5 cm (Fig. 9.14).

The area of the remaining sheet of paper is

(a) 30 cm2 (b) 36 cm2 (c) 24 cm2 (d) 22 cm2

Looking to do well in your science exam ? Learn from an expert tutor. Book a free class!

(c) 24 cm2

First, we have to calculate the area of rectangular piece = length × breadth

= 2 cm × 3 cm

= 6 cm2

So, the area of a sheet of paper of dimensions 6 cm × 5 cm

= 30 cm2

Then, the Area of the remaining sheet of paper is = 30 cm – 6 cm

= 24 cm2

Our top 5% students will be awarded a special scholarship to Lido.

subject-cta
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