EXAMPLE 1 Find the perimeter and area of a rectangle Basketball

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EXAMPLE 1 Find the perimeter and area of a rectangle SOLUTION Basketball Find the perimeter and area of the rectangular basketball court shown. PerimeterArea.

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Presentation transcript:

EXAMPLE 1 Find the perimeter and area of a rectangle Basketball Find the perimeter and area of the rectangular basketball court shown. SOLUTION Perimeter Area 2l + 2w = P A lw 2(84) + 2(50) = 84(50) 268 = 4200 The perimeter is 268 feet and the area is 4200 square feet. ANSWER

EXAMPLE 2 Find the circumference and area of a circle Team Patch You are ordering circular cloth patches for your soccer team’s uniforms. Find the approximate circumference and area of the patch shown. SOLUTION First find the radius. The diameter is 9 centimeters, so the radius is (9) = 4.5 centimeters. 1 2 Then find the circumference and area. Use 3.14 to approximate the value of π.

EXAMPLE 2 Find the circumference and area of a circle = C 2πr 2(3.14) (4.5) 28.26 = A πr 2 63.585 3.14(4.5) The circumference is about 28.3 cm2. The area is about 63.6 cm . ANSWER

GUIDED PRACTICE for Examples 1 and 2 Find the area and perimeter (or circumference) of the figure. If necessary, round to the nearest tenth. 74.1 m2, 37.4 m ANSWER

GUIDED PRACTICE for Examples 1 and 2 Find the area and perimeter (or circumference) of the figure. If necessary, round to the nearest tenth. 2.6 cm2, 6.4 cm ANSWER

GUIDED PRACTICE for Examples 1 and 2 Find the area and perimeter (or circumference) of the figure. If necessary, round to the nearest tenth. 12.6 yd2, 12.6 yd ANSWER