MODULE 20 Vocab Study Guide

What is a polygon with all sides and angles congruent called?

• Heptagon

• Regular polygon

• Scalene triangle

• Acute angle

How many sides does a hexagon have?

• 5

• 6

• 7

• 9

Which type of triangle has all sides congruent?

• Isosceles triangle

• Scalene triangle

• Equilateral triangle

• Acute angle

What is the definition of an acute angle?

• An angle equal to 90 degrees

• An angle greater than 90 degrees

• An angle less than 90 degrees

• An angle equal to 180 degrees

What is a 9-sided polygon called?

• Pentagon

• Hexagon

• Nonagon

• Heptagon

What is an obtuse angle?

• More than 90 degree angle

• Exactly 90 degree angle

• Less than 90 degree angle

• 180 degree angle

Which angle measures exactly 90 degrees?

• Acute angle

• Obtuse angle

• Right angle

• Straight angle

What is a quadrilateral?

• A polygon with 3 sides

• A polygon with 4 sides

• A polygon with 5 sides

• A polygon with 6 sides

What defines a parallelogram?

• A quadrilateral with 4 right angles

• A quadrilateral with 2 pairs of opposite sides that are congruent and parallel

• A quadrilateral with 4 congruent sides

• A quadrilateral with no parallel sides

Which shape is a parallelogram with 4 right angles?

• Rhombus

• Trapezoid

• Rectangle

• Pentagon