A semicircular protractor has a straight edge (diameter) of 14 cm. What is the perimeter (in cm) of the whole protractor, including the straight edge? (Take π = 22/7)

Question

Accepted Answer

36 cm. Radius = 7 cm. Curved part = π*r = 22/7*7 = 22 cm. Add diameter 14 cm: 22 + 14 = 36 cm.

A semicircular protractor has a straight edge (diameter) of 14 cm.
What is the perimeter (in cm) of the whole protractor, including the straight edge? (Take π = $\frac{22}{7}$ )

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More Class 7 Circumference of a Circle practice

A semicircular protractor has a straight edge (diameter) of 14 cm.What is the perimeter (in cm) of the whole protractor, including the straight edge? (Take π = 722​)

Step-by-Step Solution

Master this chapter in 30 minutes a day.

More Class 7 Circumference of a Circle practice

A semicircular protractor has a straight edge (diameter) of 14 cm.
What is the perimeter (in cm) of the whole protractor, including the straight edge? (Take π = $\frac{22}{7}$ )