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IM 6.1.12 Practice: What is Surface Area?

Author:GeoGebra Classroom Activities, IM 6 – 8 Math

What is the surface area of this rectangular prism?

Select all that apply
  • A
  • B
  • C
  • D
Check my answer (3)

Which description can represent the surface area of this trunk?

Select all that apply
  • A
  • B
  • C
  • D
Check my answer (3)

Which figure has a greater surface area?  Explain your reasoning.

A rectangular prism is 4 units high, 2 units wide, and 6 units long. What is its surface area in square units? Explain or show your reasoning in the applet below.

Draw an example of a right triangle with an area of 6 square units.

Draw an example of an acute triangle with an area of 6 square units.

Draw an example of an obtuse triangle with an area of 6 square units.

Find the area of triangle MOQ in square units. Show your reasoning.

Find the area of this shape. Show your reasoning.

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