Geometry Mid-Review Test

Which is the solid of rotation formed by rotating the given two-dimensional figure using the horizontal line shown as an axis of rotation?

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CCSS.7.G.A.3

Which two-dimensional figure could be rotated using a vertical axis of rotation to give the shown object?

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CCSS.7.G.A.3

A rectangle with area 64 square units is dilated by a scale factor of 3. Find the area of the image.

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CCSS.7.G.A.1

A trapezoid has an area of 100 square units. What scale factor would be required to dilate the trapezoid to have an area of 2500 square units?

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CCSS.7.G.A.1

A square with an area of 16 square centimeters is dilated so that its image has an area of 81 square centimeters. What is the scale factor of the dilation?

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CCSS.8.G.A.3

A card manufacturer wraps its cards in plastic. The most common cards come in a box that is 13 cm tall and uses 1209 square centimeters of plastic wrap. The company sells a larger version of the cards in a box that’s a dilation of the original box. The larger version uses 2541 square centimeters of plastic wrap. How tall is the larger version’s box? Round to the nearest hundredths.

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CCSS.7.G.A.1

Which figure does NOT have a circle as a cross section?

• Cylinder

• Cone

• Cube

• Sphere

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CCSS.7.G.A.3

A solid has a volume 2 cubic units and surface area 10 square units. The solid is dilated, and the image has volume 128 cubic units. What is the surface area of the image?

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CCSS.6.G.A.4

What is the value of x?

• 40^o

• 65^o

• 180^o

• 55^o

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CCSS.8.G.A.5

If ∢3 is 35^o, what is ∢4?

• 35^o

• 51^o

• 45^o

• 23^o

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CCSS.7.G.B.5