CHAPTER Surface Area - School District #35

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Name: _____________________________________________________ Date: ______________ 4. Sometimes cheese is packaged in a triangular box. How much cardboard would you need to cover this piece of cheese 3 cm 4 cm 5.7 cm The tick marks show that the sides are equal. 8 cm side rectangle end rectangle 3 cm cm 5.7 cm 8 cm A = l × w = × = cm 2 triangle cm cm A = (b × h) ÷ 2 = ( × ) ÷ 2 = ÷ 2 = cm 2 Surface Area = (2 × area of side rectangle) + (area of end rectangle) + (2 × area of triangle) = (2 × ) + ( ) + (2 × ) = + + = Sentence: ____________________________________________________________________ 252 MHR ● Chapter 5: Surface Area
Name: _____________________________________________________ Date: ______________ 5. The area of each face of a rectangular prism is shown. What is the surface area of the prism front top end 20 mm 2 15 mm 2 12 mm 2 Surface Area = (area of front and back) + (area of top and bottom) + (area of ends) Sentence: ____________________________________________________________________ 6. Paco builds a glass greenhouse. a) How many faces does the greenhouse have 1.1 m 2.4 m 1.8 m 0.6 m The greenhouse has triangular faces and rectangular faces. b) Draw the faces and label the measurements. c) Find the area of each face. d) How much glass does Paco need to buy Sentence: _________________________________________________________________ 5.3 Surface Area of a Prism ● MHR 253
Page 1 and 2: CHAPTER 5 Surface Area GET READY 22
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CHAPTER Surface Area - School District #35

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