8-6 & 8-7 Practice

What is surface area?

• The measure of the amount of space inside of a solid figure

• The sum of all the areas of all the faces that cover the object

What unit would you use with Surface Area?

• ft

• ft²

• ft³

To find the total surface area of this triangular prism, what shapes would you find the area of?

• 2 Triangles + 3 Rectangles = Total Surface Area

• 1 Triangle + 1 Rectangle = Total Surface Area

Tags

CCSS.7.G.B.6

To find the total surface area of this rectangular prism, what shapes would you find the area of?

• 2 Squares + 4 Rectangles = Total Surface Area

• 1 Square + 1 Rectangle = Total Surface Area

Tags

CCSS.7.G.B.6

• 102 cm²

• 30 cm²

Tags

CCSS.7.G.B.6

• 52m²

• 26m²

Tags

CCSS.7.G.B.6

• 135 in²

• 133 in²

Tags

CCSS.7.G.B.6

Does this picture show the diameter or radius of a circle?

• Diameter
• Radius

Tags

CCSS.HSG.CO.A.1

What is the distance around a circle?

• Circumference
• Area
• Diameter
• Radius

Tags

CCSS.HSG.GMD.A.1

Find the area of the circle below. Use 3.14 for pi. $A=\pi r^2$   

•  $100\ cm^2$  

•  $225\ cm^2$  

•  $18.84\ cm^2$  

•  $28.26\ cm^2$  

Tags

CCSS.7.G.B.4