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# Tag Archives: central angle

## Arc of a Circle

is a diameter of a circle of radius unit. is a chord perpendicular to that cuts at . If the arc is of the circumference of the circle, what is the length of the segment ? Source: NCTM Mathematics Teacher, … Continue reading

## Four Points in The Plane

We are given points and in the plane such that , whereas . Compute the measure of in degrees. Source: NCTM Mathematics Teacher SOLUTION is the center of a circle of radius passing through points . The central because is equilateral. … Continue reading

Posted in Problem solving
Tagged arc, central angle, equilateral triangle, geometry, grade 6, inscribed angle
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