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In a circle of radius 28 cm, an arc subt...

In a circle of radius 28 cm, an arc subtends an angle of `108^@` at the center. Find the length of the arc.

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In a circle of radius 21 cm, an arc subtends an angle of 60^(@) at the centre. Find the length of the arc.

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Knowledge Check

  • In a circle of radius 42 cm, an arc subtends an angle of 72^(@) at the centre. What is the length of the arc ?

    A
    52.8 cm
    B
    42 cm
    C
    52 cm
    D
    44 cm
  • In a circle of radius 21 cm, an arc subtends an angle of 60^(@) at the centre. The length of the arc is

    A
    21 cm
    B
    22 cm
    C
    18.16 cm
    D
    23.5cm
  • In a circle of radius 42 cm, an arc subtends an angel of 72° at the centre. What is the length of the arc?

    A
    ` 52.8 cm `
    B
    ` 42 cm `
    C
    ` 52 cm `
    D
    ` 44 cm `
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    In a circle of radius 21cm, an arc subtends an angle of 60^(@) at the centre.Find: (i) the length of the arc (ii) area of the sector formed by the arc (iii) area of the segment formed by the corresponding chord

    In a circle of radius 28 cm, an arc subtends an angle of 108^(@) at the centre . (a) Find the area of the sector. (b) Find the length of the arc.

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