Q. If a polygon has 8 sides, what is it called?
-
A.
Hexagon
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B.
Heptagon
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C.
Octagon
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D.
Nonagon
Solution
A polygon with 8 sides is called an octagon.
Correct Answer:
C
— Octagon
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Q. In a triangle, if two angles are 45 degrees and 55 degrees, what is the third angle?
-
A.
80 degrees
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B.
90 degrees
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C.
100 degrees
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D.
110 degrees
Solution
The sum of the angles in a triangle is always 180 degrees. Therefore, the third angle = 180 - (45 + 55) = 180 - 100 = 80 degrees.
Correct Answer:
B
— 90 degrees
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Q. In a triangle, if two angles are 45 degrees each, what is the measure of the third angle?
-
A.
45 degrees
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B.
60 degrees
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C.
90 degrees
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D.
75 degrees
Solution
The sum of the angles in a triangle is always 180 degrees. If two angles are 45 degrees each, the third angle is 180 - (45 + 45) = 90 degrees.
Correct Answer:
C
— 90 degrees
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Q. What type of quadrilateral has all sides equal and all angles equal?
-
A.
Square
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B.
Rectangle
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C.
Rhombus
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D.
Trapezoid
Solution
A square is a type of quadrilateral that has all sides equal and all angles equal (90 degrees).
Correct Answer:
A
— Square
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Q. What type of quadrilateral has one pair of parallel sides?
-
A.
Rectangle
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B.
Square
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C.
Trapezoid
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D.
Rhombus
Solution
A trapezoid is defined as a quadrilateral that has at least one pair of parallel sides.
Correct Answer:
C
— Trapezoid
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