Find the area of a circle with the indicated dimensions- Use 3-14 or 22-7 for - Radius -21 inches

Hint: The area of the circle =π r^2Area =3.14× 21× 21 where π=3.14 radius =21 inArea 1384.74 sq. inHence, The area of the circle is 1384.74 sq. in ...

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Standard VI

Mathematics

Area

Find the area...

Question

Find the area of a circle with the indicated dimensions. Use 3.14 or $\frac{22}{7}$ for $π$ , Radius $= 21$ inches

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Solution

Hint: The area of the circle $= {πr}^{2}$
Area $= 3.14 \times 21 \times 21$ where $π = 3.14$ radius $= 21 i n$
Area $1384.74 sq . in$
Hence, The area of the circle is $1384.74 sq . in$

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Find the area of a circle with the indicated dimensions. Use 3.14 or 227 for π, Radius =21 inches

Hint: The area of the circle =πr2Area =3.14×21×21 where π=3.14 radius =21inArea 1384.74sq.inHence, The area of the circle is 1384.74sq.in

Find the area of a circle with the indicated dimensions. Use 3.14 or $\frac{22}{7}$ for $π$ , Radius $= 21$ inches

Hint: The area of the circle $= {πr}^{2}$
Area $= 3.14 \times 21 \times 21$ where $π = 3.14$ radius $= 21 i n$
Area $1384.74 sq . in$
Hence, The area of the circle is $1384.74 sq . in$