ࡱ> GIF bjbj *zeea ".*.*.*B*B*B*B*\*,B*+++++,30.*0a++Eaaa+(.*+aaa6j$q܃J[0f@a8a.*H00a :   TOPIC 2-1: AREA & PERIMETER OF RECTANGLES TERMDEFINITIONSKETCH Area  The number of square units in the interior of a figure Perimeter The distance around a figure   To find the area and perimeter of a rectangle, use the following formulas: AREA OF A RECTANGLEPERIMETER OF A RECTANGLEArea = length x width or A = lw Perimeter = 2(length) + 2(width) or P = 2l + 2w Review of 30-60-90 and 45-45-90 Triangles: Find the missing sides of the following triangles. 1. 2.       EXAMPLES Find the missing values for each figure.  3. 4.  AREA OF A SQUAREPERIMTER OF A SQUAREArea = (side length) or A = s Perimeter = 4(side length) or P = 4s EXAMPLES Find the indicated measures. 5. 6.  7. A square with a diagonal of 6.   EXAMPLES Find the indicated measures. 8. The length of a rectangle is 4 more than twice the width. The perimeter is 62.  9.  10. NAME___________________________DATE________________PER._______ AREA & PERIMETER OF RECTANGLES Find the perimeter and area of each rectangle.  P = _______________ A = _______________  P = _______________ A = _______________  P = _______________ A = _______________  P = _______________ A = _______________  P = _______________ A = _______________ Find the indicated measures. 6. A = _______________ The perimeter of a square is 28 cm. What is the area?  7. P = _______________ The area of a square is 64 cm2. What is the perimeter?  8. A = _______________  Find the area of a square with a diagonal of 4 cm.  9. A = _______________  The length of a rectangle is 12 cm more than its width. Find the area of the rectangle if its perimeter is 100 cm. Find the perimeter and area of each of the figures below. TCAP PRACTICE Find the correct answer for each of the following. Clearly circle/bubble in your answers as necessary. Work must be shown in order to receive credit. The base of a rectangle is 6 cm longer than its height. The area of a rectangle is 91 cm2. What is the perimeter of the rectangle? 13 cm 20 cm 38.2 cm 40 cm The Parkers are putting new carpet in their family room. The room is 21 feet by 27 feet. If carpet costs $11.25 per square yard, how much will the Parkers pay for the carpet? $708.75 $740.25 $2,126.25 $6,378.75 What is the total area of the 5-foot walkway surrounding the swimming pool?  250 ft2 350 ft2 480 ft2  530 ft2 The floor plan for the Maxiells House is shown below.  They are putting new carpet in the living room and family room. How many square feet of carpet will they need? 610 ft2 574 ft2 437 ft2 378 ft2 Refer to the floor plan in Exercise 15. The Maxiells have a rectangular area rug on the hardwood floors in the dining room. The rug is 6.5 feet by 11.5 feet. How much of the hardwood floors are not covered by the rug? Record your answer and fill in the bubbles on the grid below. Be sure to use the correct place value.  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