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Geometry & Spatial Sense – Practice Problems

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D. 20 inches<br />

Surface Area & Volume<br />

82.<br />

Note: Figure not drawn to scale.<br />

Heights (Y and Z) have been rounded for computational ease.<br />

If X = 4 units, Y = 3.5 units, and Z = 3.5 units, then what is the surface area of the right<br />

triangular pyramid shown above?<br />

A. 28 square units<br />

B. 49 square units<br />

C. 36 square units<br />

D. 64 square units<br />

Properties of Polygons<br />

83.<br />

Find the sum of the interior angles of the polygon shown above.<br />

A. 540°<br />

B. 720°<br />

C. 900°<br />

D. 360°<br />

Properties of Polygons

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