Changing Dimensions of 3-D Figures — Unit test Answers
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An 8 inch by 6 inch rectangle is the base of the rectangular prism below.
A
140 square inchesB
140 inchesC
236 square inchesD
236 inches22
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Two cones are similar. The surface area of the larger cone is 65π square inches. The surface area of the smaller cone is 41.6π square inches. The radius of the smaller cone is 6.4 inches. What is the radius of the larger cone?
A
8 inchesB
10 inchesC
11.52 inchesD
14.4 inches23
The right isosceles triangle shown is rotated about line k with the base forming perpendicular to k. The perimeter of the triangle is 58 units.
A
a cone with a base radius of 17 unitsB
a cone with a base radius of 34 unitsC
a cylinder with a base radius of 17 unitsD
a cylinder with a base radius of 34 units24
An oblique prism has a volume of 144 cubic units. The area of its base is 24 square units.What is the perpendicular height of the prism?
A
2 unitsB
4 unitsC
6 unitsD
8 units25
The area of rectangle ABDE is 270 square inches. The rectangle is rotated about a line that passes through points C and F.
A
a rectangular prism with an edge length of 9 inchesB
a rectangular prism with an edge length of 18 inchesC
a cylinder with a base radius of 9 inchesD
a cylinder with a base radius of 18 inchesDid you find these answers helpful?
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