- 1. How many sides does a pentagon have?
- 2. How many sides does a quadrilateral have?
- 3. How many sides does a decagon have?
- 4. How many sides does a hexagon have?
- 5. How many sides does a dodecagon have?
- 6. How many sides does a heptagon have?
- 7. The sum of two angles that equal 90 degrees are called _____________.
A) Acute Angles
B) Supplementary Angles
C) Parallel Angles
D) complementary angles
- 8. An angle whose measure is greater than 90° and less than 180° is called an _____________.
A) Obtuse angle
B) Straight angle
C) Right Angle
D) Acute Angle
- 9. Two lines that intersect to form right angles are called _______________.
A) Perpendicular lines
B) Acute angles
C) Transversal lines
D) Parallel lines
- 10. A triangle with no side lengths equal is called a __________ triangle.
A) scalene
B) equilateral
C) isosceles
D) exterior
- 11. A triangle with two sides the same length is called a ___________ triangle.
A) isosceles
B) equilateral
C) scalene
D) exterior
- 12. Lines in a plane that never meet are called _________. For example the opposite sides of a rectangle have these.
A) Transversal lines
B) Parallel lines
C) Acute angles
D) Perpendicular lines
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