# NCERT Class 7 Mathematics Solutions: Chapter 11 –Perimeter and Area Exercise 11.3 Part 1

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1. Find the circumference of the circles with the following radius: (Take )

(a)

(b)

(c)

Answer:

(a) Circumference of the circle

(b) Circumference of the circle

(c) Circumference of the circle

2. Find the area of the following circles, given that: (take)

(a) Radius

(b) Diameter

(c) Radius

Answer:

(a) Area of circle

(b) Diameter

Radius

Area of circle

(c) Area of circle