Arc Length 6.7-6.8 Sector Area.

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Presentation transcript:

Arc Length 6.7-6.8 Sector Area

Circumference What is the exact measure of the circumference? 14.3 in.

The circumference of a half dollar is about 96 millimeters The circumference of a half dollar is about 96 millimeters. Find the diameter of the coin to the nearest tenth. d ≈ 30.6 mm

Find the length of arc AB to the nearest hundredth. 90º B 15 ft A  23.55 ft

Find the area. 7.6 yd 181.5 square yards

Find the area of the sector. Example 4 Find the area of the sector. 6 cm 120° 7 cm Q R A  51.31 cm2

What is the exact measure of the circumference?

Find the length of arc AB to the nearest hundredth. 40º B 6 m A  4.19 m

Find the area. 53 cm 2206.2 square cm

Find the area of the sector. 6 cm 60 ° Q A  18.85 cm2