CHAPTER Surface Area - School District #35

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Name: _____________________________________________________ Date: ______________ Method 2: Use a Formula The formula for the surface area of a cylinder is S.A. = 2 × (π × r 2 ) + (π × d × h) ↓ ↓ ↓ 2 circles circle rectangle area area • length is the circumference of a circle (π × d) • width is the height of the cylinder (h) S.A. • a short form for surface area 11 cm 7.6 cm d = 7.6 cm r = 7.6 ÷ 2 h = 11 cm = 3.8 cm S.A. = 2 × (π × r 2 ) + (π × d × h) S.A. = 2 × (3.14 × 3.8 2 ) + (3.14 × 7.6 × 11) S.A = 2 × (3.14 × 3.8 × 3.8) + (3.14 × 7.6 × 11) S.A. = 2 × + S.A. = + S.A. = The surface area of the can is (2 decimal places). cm 2 , to the nearest hundredth 258 MHR ● Chapter 5: Surface Area
Name: _____________________________________________________ Date: ______________ Find the surface area of the cylinder to the nearest tenth of a square centimetre (1 decimal place). 9 cm 55 cm d = r = h = Use a net or the formula to find the answer. Sentence: ________________________________________________________________ 5.4 Surface Area of a Cylinder ● MHR 259
Page 1 and 2: CHAPTER 5 Surface Area GET READY 22
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Page 57 and 58: 5.2 Warm Up, page 238 1. a) top fro

CHAPTER Surface Area - School District #35

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