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Measure of an arc of a circle is 80^@ an...

Measure of an arc of a circle is `80^@` and its radius is 18 cm. Find the length of the arc. `(pi= 3.14)`

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The correct Answer is:
`=25.12 cm`
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(B) Solve any four of the following subquestions : The angular measure of an arc of a circle having radius 18 cm is 80^(@) . Find the length of that arc . ( pi : 3 .14)

If measure of an arc of a circle is 160^(@) and its length is 44 cm, find the circumference of the circle.

Area of a sector of a circle of radius 15 cm is 30 cm^(2) . Find the length of the arc of the sector.

If the length of an arc of sector of a circle is 20 cm and if its radius is 7 cm, find the area of the sector.

Radius of a circle is 10 cm. Measure of an are fo the circle is 54^@ . Find the area of the sector associated with the arc. ( pi=3.14 )

The radius of a circle is 14cms. The angle subtended by an arc of the circle at the centre is 45^(@) . Find the length of the arc.

TARGET PUBLICATION-MENSURATION-Practice Set 7.3
  1. Radius of a circle is 10 cm. Measure of an are fo the circle is 54^@. ...

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  2. Measure of an arc of a circle is 80^@ and its radius is 18 cm. Find th...

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  3. Radius of a sector of a circle is 3.5 cm and length of its arc is 2.2 ...

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  4. Radius of a circle is 10 cm. Area of a sector of the circle is 100 cm...

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  5. Area of a sector of a circle of radius 15 cm is 30 cm^(2). Find the le...

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  6. In the adjoninog figure , radius of the circle is 7 cm and m (arc MBN...

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  7. In the adjoninog figure , radius of the circle is 7 cm and m (arc MBN)...

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  8. In the adjoninog figure , radius of the circle is 7 cm and m (arc MBN...

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  9. In the adjoining figure, radius of circle is 3.4 cm and perimeter of s...

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  10. In the adjoining figure, O is the centere of the sector. angle ROQ ...

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  11. In the adjoining figure, if A(P-ABC) = 154 cm^(2)radius of the circle ...

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  12. In the adjoining figure, if A(P-ABC) = 154 cm^(2) radius of the circle...

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  13. Radius of a sector of a circle is 7 cm. If measure of arc of the sect...

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  14. Radius of a sector of a circle is 7 cm. If measure of arc of the secto...

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  15. Radius of a sector of a circle is 7 cm. If measure of arc of the sect...

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  16. The area of a minor sector of a circle is 3.85cm^(2) and the measure o...

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  17. In the given figure, squarePQRS is a reactangle. If PQ= 14 cm , QR =...

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  18. DeltaLMN is an equilateral triangle. LM = 14 cm. As shown in figure,...

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  19. DeltaLMN is an equilateral triangle. LM = 14 cm. As shown in figure,...

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  20. DeltaLMN is an equilateral triangle. LM = 14 cm As shown in figure, t...

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