Find the area of the following circles given that : (i) Diameter $49$ m

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Solution

Diameter $= 49$ m
Radius $= \frac{49}{2}$ m or $24.5$ m
Area $= π r^{2}$
$= \frac{22}{7} \times \frac{49}{2} \times \frac{49}{2}$
$= 1886.5 m^{2}$

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D i a m e t e r = 49 m

49 m

(T a k e π = \frac{22}{7})

= 14 m m

= 49 m

= 5 c m

Question 2 (b)

Find the area of the following circle, given that: $(T a k e π = \frac{22}{7})$
diameter = 49 m

R a d i u s = 5 c m

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