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EXAMPLE 1

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

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EXAMPLE 1

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

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

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

  4. 74.1 m2, 37.4 m ANSWER for Examples 1 and 2 GUIDED PRACTICE Find the area and perimeter (or circumference) of the figure. If necessary, round to the nearest tenth.

  5. 2.6 cm2, 6.4 cm ANSWER for Examples 1 and 2 GUIDED PRACTICE Find the area and perimeter (or circumference) of the figure. If necessary, round to the nearest tenth.

  6. 12.6 yd2, 12.6 yd ANSWER for Examples 1 and 2 GUIDED PRACTICE Find the area and perimeter (or circumference) of the figure. If necessary, round to the nearest tenth.

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