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Chapter 8 Section 8. What is a net? A two-dimensional pattern that you can fold to make a three-dimensional figure. Let’s Look.

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Presentation on theme: "Chapter 8 Section 8. What is a net? A two-dimensional pattern that you can fold to make a three-dimensional figure. Let’s Look."— Presentation transcript:

1 Chapter 8 Section 8

2 What is a net? A two-dimensional pattern that you can fold to make a three-dimensional figure. Let’s Look

3 Definition: the sum of the areas of the faces of a shape.

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5 6in 4in 9in 7in

6 Find the total surface area of this shape 3ft 4ft 5ft 48 ft 2 3ft 6ft 2 15ft 2 12ft 2 9ft 2

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8 Find the surface area of a triangular prism with the following dimensions: w = 10cm l = 6cm h = 8cm s = 5cm

9 Find the surface area of a triangular prism with the following dimensions: w = 3in l = 4in h = 6in s = 2in

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11 6in 5in

12 Find the total surface area of this shape 5m

13 Find the total surface area of this shape 5m 25m m 2

14 Find the total surface area of this shape 3ft 5ft 10ft

15 Find the total surface area of this shape 3ft 5ft 10ft 190 ft 2 50ft 2 15ft 2 30ft 2

16 Find the surface area: w = 3in l = 4in h = 6in

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18 In other words: Area of the circle (there are two circles). Area of rectange  length × width (height) × (cirumference)

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20 7in 8in

21 Find the total surface area of this shape 10in in 2 6in

22 Find the total surface area of this shape 10in in in 2 6in in 2

23 Find the surface area of the cylinder: h = 12in d = 6in

24 Find the surface area of the cylinder: h = 8cm d = 4cm

25 Pg. 445 in book Numbers 5, 7, 15 NO HOMEWORK!


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