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The perimeter of a semicircular protract...

The perimeter of a semicircular protractor whose radius is 'r' is :

A

`pi + 2 r`

B

`pi + r`

C

`pi r`

D

`pi r + 2 r`

Text Solution

Verified by Experts

The correct Answer is:
D
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The perimeter of a semi circular protractor is 32.4 cm. Calculate : (i) the radius of protractor in cm, (ii) the arc of protractor in cm^(2)

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Knowledge Check

  • What is the perimeter of a semicircular protractor of diameter 14 cm ?

    A
    36 cm
    B
    7 cm
    C
    28 cm
    D
    32 cm

  • If the perimeter of a semi-circular protractor is 36 cm, then its area is :

    A
    90 sq cm
    B
    55 sq cm
    C
    77 sq cm
    D
    65 sq cm

  • If the perimeter of a semicircular protractor is 36cm, find its diameter.

    A
    12 cm
    B
    13 cm
    C
    14 cm
    D
    15 cm

    • Similar Questions

    Explore conceptually related problems

    If the perimeter of a semi-circular protractor is 36 cm, then its diameter is (a) 10 cm (b) 12 cm (c) 14 cm (d) 16 cm

    Find the area and the perimeter of the semicircle whose radius is 14 cm.

    Find the area and the perimeter of the semicircle whose radius is 14 cm.

    If the perimeter of a semicircular protractor is 66cm, Find the diameter of the protractor.

    If the perimeter of a semi-circular protractor is 108cm, find the diameter of the protractor.

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