Warm Up #1 Find each measure. Give answers in terms of  and rounded to the nearest hundredth. 1. area of sector LQM 7.5 in2  23.56 in2.

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Presentation transcript:

Warm Up #1 Find each measure. Give answers in terms of  and rounded to the nearest hundredth. 1. area of sector LQM 7.5 in2  23.56 in2

Warm Up #2 2. Find the area of sector GHJ to the nearest hundredth.

12.3 ARC LENGTH

In the same way that the area of a sector is a fraction of the area of the circle, the length of an arc is a fraction of the circumference of the circle.

Find each arc length. Give answers in terms of  and rounded to the nearest hundredth. FG  5.96 cm  18.71 cm

Find each arc length. Give answers in terms of  and rounded to the nearest hundredth. an arc with measure 62 in a circle with radius 2 m  0.69 m  2.16 m

Assignment Pg 412 19-20 Pg 424 1, 3-11 Test Thursday 1/23 12.1-12.4