Question

EXERCISE 20E
22
JOTE
Take i
unless stated otherwise.
Find the circumference of a circle whose radius is
(1) 28 cm, (ii) 1.4 m.
Find the circumference of a circle whose diameter is
(1) 35 cm, (ii) 4.9 m.
A Find the circumference of a circle of radius 15 cm. [Take it = 3.15
a Find the radius of a circle whose circumference is 57.2 cm.
A Find the diameter of a circle whose circumference is 63.8 m.
The circumference of a circle exceeds its diameter by 30 cm.
diameter by 30 cm. Find the radius of
The ratio of the radii of two circles is 5: 3. Find the ratio of U
5:3. Find the ratio of their circumfere
How long will a man take to make a round of a circular ned
Take a round of a circular field of radius 21 m,
speed of 8 km/h?
o A racetrack is in the form of a ring whose inner circumference is 040
y circumference is 616 m. Find the width of the track.​

Answer 1

Step-by-step explanation:

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