Unit 6-1 Parts of Circles Circumference and Area of Circles.

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Presentation transcript:

Unit 6-1 Parts of Circles Circumference and Area of Circles.

Lines/Segments of CIRCLES!! The circle

Angles of Circles The circle Central angle = intercepted arcInscribed angle=1/2 intercepted arc

What is Pi???

Finding the CIRCUMFERENCE Find the circumference of the circles in exact and decimal form. 8

Finding the CIRCUMFERENCE Find the circumference of the circles in exact and decimal form. 5.77

Finding the CIRCUMFERENCE Find the circumference of the circles in exact and decimal form. 13.6

Finding the Area Find the Area of the circles in exact and decimal form. 8.7

Finding the Area Find the Area of the circles in exact and decimal form. 18

Change it up a bit…find the diameter C = 40.82

Change it up a bit…find the radius A =

Change it up a bit….find the circumference A = 90.4