![]() The Area of a figure is the number of square units needed to cover it. The Perimeter of a figure is the distance around a figure. # 12 5 cm 6 cm Area 3 cm 9 cm Perimeter P = a + b + c P = P = 20 cm copyright©amberpasillas2010 6 12 square units 12 units2 (h) base (b). ![]() a c P= a+b+c units b The Area (A) of a figure is the number of square units needed to cover it. # 11 Perimeter & Area Review The Perimeter (P) is the distance around a figure. #8 Given the Radius of a Circle Round to the nearest hundredths place and include units! 5 ft Find the Circumference Find the AreaĪrea Formulas # 9 h Parallelogram A= Base x Height b b1 A= (Base1 + Base2) x Height h Trapezoid 2 b2 A= (Base x Height) h Triangle 2 b h Rectangle A= Base x Height b s Square A= Side x Side sĬOMPOSITE FIGURES #10 Area 20 m 13 m 12 m 5 m 25m Perimeter P = P = 70 m ANOTHER WAY: Area of a Trapezoid A = (b1 + b2) x h 2 Rectangle Parallelogram Triangle 7 4 8 7 5 5 10 8ħ Area of a Circle #7 6 in = 3.14 or 22 7 ![]() # 5 4 ft A = (base1 + base2) x height 3 ft 2 A = (b1 + b2) x h 5 ft 2 A = (4 + 5) x 3 2 A = (9) x 3 27 = 13.5 ft2 2 2Ħ Area of Polygons #6 The Area of a figure is the number of square units needed to cover it. A = base x height 2 6 m 8 m A = 8 x 6 = 24 m2 2ĥ Area of a Trapezoid A = (b1 + b2) x h A = (4 + 5) x 3 2 A = (9) x 3 27 To find the area of a triangle you use the rectangle formula and divide it in half. A = base x height 3 in A = b x h 5 in A = 5 x 3 = 15 in2Ĥ Area of a Triangle # 4 A = base x height A = 8 x 6Ī triangle is half the area of a rectangle. # 3 To find the area for a parallelogram use what you know about area of a rectangle. ![]() in = in3 squared width length height cubed width length copyright©amberpasillas2010.in = in2 VOLUME: The number of cubic units inside a figure.in + in + in + in = in AREA: Is the square units that cover a figure. #2 USING CORRECT UNITS PERIMETER: Is the distance around a figure. A = 2 3 6 square units 6 units2 2 3 Square Rectangle 8m 4 8m 5 #1 Area of a Rectangle & Square The Area of a figure is the number of square units needed to cover it. ![]()
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