Three-Dimensional Figures and Cross Sections Answers
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21
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Which polygon is a concave octagon?
A
A polygon has 7 sides. One angle goes inside of the shape.
B
A polygon has 8 sides.
C
A polygon has 8 sides. One angle goes inside of the shape.
D
A polygon has 7 sides.
22
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The seismic activity density of a region is the ratio of the number of earthquakes during a given time span to the land area affected. A state had 424 earthquakes over a given time span and a land area of 71,300 square miles.What is the seismic activity density for this state? Round to the nearest ten thousandth, if necessary.
A
0.0046 earthquakes per square mileB
0.0059 earthquakes per square mileC
168.1604 earthquakes per square mileD
179.0049 earthquakes per square mile23
A section of a rectangle is shaded to form a rhombus. The length of one side of the rectangle is 15, and the height is x.
A
4 unitsB
6 unitsC
8 unitsD
9 units
25
On a coordinate plane, kite W X Y Z has points (1, 1), (3, 4), (5, 1), (3, negative 3).
A
10.6 unitsB
11.5 unitsC
14.0 unitsD
16.2 unitsDid you find these answers helpful?
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