Geometry Warm Up. 10-6 CIRCLES AND ARCS Objective: To find the circumference and arc length.

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Presentation transcript:

Geometry Warm Up

10-6 CIRCLES AND ARCS Objective: To find the circumference and arc length.

Circumference Circumference: the distance around the circle Pi: ratio of the circumference of a circle to it’s diameter

pi The number pi is irrational

Coplanar circles Concentric circles: coplanar circles that have the same center.

Problem 1

Try with a partner

Arc Length

Problem 2 What is the length of each arc shown in red? Leave your answer in terms of

Problem 3 What is the length of a semicircle with radius 1.3 m? leave your answer in terms of.

TOO

Homework Pg. 654 # 24 – 36, 52 – 54