- 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) Supplementary Angles
B) Parallel Angles
C) Acute Angles
D) complementary angles
- 8. An angle whose measure is greater than 90° and less than 180° is called an _____________.
A) Right Angle
B) Acute Angle
C) Straight angle
D) Obtuse angle
- 9. Two lines that intersect to form right angles are called _______________.
A) Parallel lines
B) Acute angles
C) Transversal lines
D) Perpendicular lines
- 10. A triangle with no side lengths equal is called a __________ triangle.
A) isosceles
B) exterior
C) scalene
D) equilateral
- 11. A triangle with two sides the same length is called a ___________ triangle.
A) equilateral
B) scalene
C) exterior
D) isosceles
- 12. Lines in a plane that never meet are called _________. For example the opposite sides of a rectangle have these.
A) Parallel lines
B) Transversal lines
C) Acute angles
D) Perpendicular lines
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