The length of an arc of a circle is given by-360- 2- r2-

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Byju's Answer

Standard IX

Mathematics

Length of Arc & Angle at the Centre

The length of...

Question

The length of an arc of a circle is given by
$\frac{θ}{360^{\circ}} \times 2 π r^{2} .$

True

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False

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Solution

The correct option is B False

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Similar questions

Q. The area of the sector of a circle is given by

\frac{θ}{360^{\circ}} \times π r^{2} .

The length of an arc of a sector of angle $θ^{\circ}$ of a circle with radius R is

(a) $\frac{2 π R θ}{180}$

(b) $\frac{2 π R θ}{360}$

(d) $\frac{π R^{2} θ}{360}$

Tick the correct answer in the following.
Area of a sector of angle $p^{\circ}$ of a circle with radius $R$ is:
1. $\frac{p^{\circ}}{180^{\circ}} \times 2 π R$
2. $\frac{p^{\circ}}{360^{\circ}} \times π R^{2}$
3. $\frac{p^{\circ}}{360^{\circ}} \times 2 π R$
4. $\frac{p^{\circ}}{720^{\circ}} \times 2 π R^{2}$

Q. Length of an arc of a sector of a circle with radius r and angle with degree measure

θ

\frac{θ}{360} \times m π r

m

Area of a sector with angle p (in degrees) of a circle with radius r is

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The length of an arc of a circle is given by θ360∘ × 2π r2.

The correct option is B False

The length of an arc of a circle is given by
$\frac{θ}{360^{\circ}} \times 2 π r^{2} .$