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If the distance from the centre of the pentagon to a vertex is r cm then the length of the arc is 0.4*pi*r cm

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14y ago

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Related Questions

What does circumference measure?

The circumference of a circle measures the distance around the circle.


How do you measure the circumference of the circle?

The equation for the circumference of a circle is pi times radius squared.


The radius of a circle measure 7 feet what is the circumference of the circle?

Circumference=πd thefore it is 44


Why do we measure circumference?

The circumference is the distance around a circle and it is measured by:- Circumference of a circle = 2*pi*radius or pi*diameter


A circle is inscribed in a regular pentagon whose sides are 12 cm. Find the area inside the pentagon and outside the circle?

124


What is the measure of an arc?

The measure of an arc is part of the circumference of a circle


How do you find radius of circle?

Measure the distance from the centre of the circle to its circumference.


How dou find diameter?

You measure it. If you know the radius (of a circle), you multiply it by 2 to get the diameter. If you know the circumference of a circle, you divide by pi to get the diameter.You measure it. If you know the radius (of a circle), you multiply it by 2 to get the diameter. If you know the circumference of a circle, you divide by pi to get the diameter.You measure it. If you know the radius (of a circle), you multiply it by 2 to get the diameter. If you know the circumference of a circle, you divide by pi to get the diameter.You measure it. If you know the radius (of a circle), you multiply it by 2 to get the diameter. If you know the circumference of a circle, you divide by pi to get the diameter.


What is the formula to measure circumference?

pie r2pi*d where pi = 22/7 (3.14 appx.) and d = diameter of the circle


What is the maximum number of intersections that a regular pentagon can have with a circle on a plane?

7


How do you measure the circle using the raduis?

Circumference of a circle = 2*pi*radius


Where is the center point of the pentagon inscribed in a circle?

assuming this is a regular pentagon (all five sides are equal length) the center is the intersection of the intersection of perpendicular bisectors of each side and should also be the center of the circle in which it is inscribed