GMAT: Circles Quiz
Quiz Overview
Description
When considering circles there are several important facts that will assist in answering the majority of the GMAT questions related to circles.
Area = πr2
Diameter, d = 2r
Circumference = 2πr = πd
Central Angle = 2(Inscribed Angle)
Area of Sector = (x/360)πr2
Length of an Arc = (x/360)
Circumference = (x/360)2πr
Area = πr2
Diameter, d = 2r
Circumference = 2πr = πd
Central Angle = 2(Inscribed Angle)
Area of Sector = (x/360)πr2
Length of an Arc = (x/360)
Circumference = (x/360)2πr