SOLUTION: A dart board has a diameter of 40 cm and is divided into 20 congruent section what is the area of one of the section?

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Question 1177479: A dart board has a diameter of 40 cm and is divided into 20 congruent section what is the area of one of the section?
Answer by mananth(16946) About Me  (Show Source):
You can put this solution on YOUR website!

Diameter = 40 cm
20 congruent segments .
angle of cone = 360/20 18 deg

Area of each cone = (Theta/360 )*pi (d^2/4)
= (1/20) * pi * 400
=20 *pi cm^2