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# Tuesday, Feb 25 - PowerPoint PPT Presentation

Tuesday, Feb 25. Chapter 10 Review. Chapter 10 Review. Find the area of the Base. Round to the nearest tenth, if necessary. . Chapter 10 Review. What is the area of the Base? Round to the nearest tenth, if necessary. B = 9.1 x 8 = 72.8in². Chapter 10 Review.

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Chapter 10

Review

Find the area of the Base. Round to the nearest tenth, if necessary.

What is the area of the Base? Round to the nearest tenth, if necessary.

B = 9.1 x 8 = 72.8in²

Find the volume. Round to the nearest tenth, if necessary.

Find the volume. Round to the nearest tenth, if necessary.

V = lwh

V = 9.1x 8 x 8 = 582.4in³ or

V = Bh = 72.8 · 8 = 582.4in³

Find the area of the Base. Round to the nearest tenth, if necessary.

Find the area of the Base. Round to the nearest tenth, if necessary.

B = 18 x 9 = 162mm²

Find the volume. Round to the nearest tenth, if necessary.

Find the volume. Round to the nearest tenth, if necessary.

V = lwh

V = 18 x 9 x 36 = 5832mm³ or

V = Bh = 162 · 36 = 5832mm³

Find the area of the Base. Round to the nearest tenth, if necessary.

Find the area of the Base. Round to the nearest tenth, if necessary.

B = 10 x 6 ÷ 2 = 30cm²

Find the volume. Round to the nearest tenth, if necessary.

Find the volume. Round to the nearest tenth, if necessary.

V = lwh ÷ 2

V = 10 x 6 x 4 ÷ 2 = 120cm³ or

V = Bh = 30 · 4 = 120cm³

Find the Area of the Base. Round to the nearest tenth, if necessary.

Find the Area of the Base. Round to the nearest tenth, if necessary.

B = 3 x 4 ÷ 2 = 6cm²

Find the volume. Round to the nearest tenth, if necessary.

Find the volume. Round to the nearest tenth, if necessary.

V = lwh ÷ 2

V = 4x 3 x 8 ÷ 2 = 48cm³ or

V = Bh = 6 · 8 = 48cm³

Find the surface area. Round to the nearest tenth, if necessary.

Find the surface area. Round to the nearest tenth, if necessary.

A = 7 x 4 = 28

A = 4 x 10 = 40

A = 10 x 7 = 70

28 + 28 + 40 + 40 + 70 + 70 =276in²

Find the surface area. Round to the nearest tenth, if necessary.

Find the surface area. Round to the nearest tenth, if necessary.

SA = 2B + hp

B = 72.8

h = 8

p = 34.2

SA = 2 x 72.8 + 8 x 34.2 =

= 145.6 + 273.6 = 419.2in²

Find the surface area. Round to the nearest tenth, if necessary.

Find the surface area. Round to the nearest tenth, if necessary.

SA = 2B + hp

B = 162

h= 36

p = 54

SA = 2 x 162 + 36 x 54 =

= 324 + 1944 = 2268mm²

Find the surface area. Round to the nearest tenth, if necessary.

Find the surface area. Round to the nearest tenth, if necessary.

SA = 2B + hp

B = 3 x 4 ÷ 2 = 6

h= 8

p = 12

SA = 2 x 6 + 8 x 12 =

= 12 + 96 = 108cm²

Find the surface area. Round to the nearest tenth, if necessary.

Find the surface area. Round to the nearest tenth, if necessary.

SA = 2B + hp

B = 10 x 6 ÷ 2 = 30

h= 4

p = 25.6

SA = 2 x 30 + 4 x 25.6 =

= 60 + 102.4 = 162.4cm²

A special box designed to hold an antique artifact is shaped like a triangular prism. The height of the box is 6.9 inches, the length is 8 inches and the width is 7.1 inches. What is the volume of box?

A special box designed to hold an antique artifact is shaped like a triangular prism. The height of the box is 6.9 inches, the length is 8 inches and the width is 7.1 inches. What is the volume of box?

V = lwh ÷ 2

V = 8x 7.1 x 6.9 ÷ 2 = 195.96in³

There is a sale at the candy store. They have two containers that can be filled with candy and they are the same price. One container is 5in by 6in by 9in. The other container is 4in by 8in by 8in. Which container would hold more candy?

There is a sale at the candy store. They have two containers that can be filled with candy and they are the same price. One container is 5in by 6in by 9in. The other container is 4in by 8in by 8in. Which container would hold more candy?

V = lwh

V₁ = 5 x 6 x 9= 270in³

V₂ = 4 x 8 x 8 = 256in³

You are painting a room that is a rectangular prism and is 20ft by 35ft and 10ft high. You are painting the walls, floor and ceiling. A gallon of paint will cover 1250ft². How many gallons will you need?

You are painting a room that is a rectangular prism and is 20ft by 35ft and 10ft high. You are painting the walls, floor and ceiling. A gallon of paint will cover 1250ft². How many gallons will you need?

SA = 2B + hp

B = 20 · 35 = 700

h = 10

p = 20+35+20+35=110

SA = 2 x 700 + 110 x 10 = 2500ft²

2500 ÷ 1250 = 2 gallons

Formulas you will need to have memorized for tomorrow:

Volume of a rectangular prism

V = lwh and V = Bh

Volume of a triangular prism

V = lwh ÷ 2 and V = Bh

Surface Area of a prism

SA = 2B + hp

Agenda Notes

Homework –

Chapter 10 Review Homework-

(extra credit for 4th period)

Due Wednesday, Feb 26

Chapter 10 Test - Wednesday, Feb 26