Triangles and Polygons Review

What type of triangle is shown?

• Obtuse Scalene

• Left Irregular

• Right Isosceles

• Obtuse Isosceles

A regular polygon has all sides and angles the same measurement. Which statement is TRUE about this polygon?

• The parallelogram shown is not a regular polygon.

• The rhombus shown is a regular polygon.

• The trapezoid shown is not a regular polygon.

• The parallelogram shown is a regular polygon.

What property do these shapes NOT have in common?

• All sides congruent

• All angles congruent.

• Types of angles.

• Closed Shapes

Joey was looking at a square, a rectangle, and a right triangle. What is the total number of angles for all of the polygons, and how many are right angles?

• 11 angles, 8 right angles

• 11 angles, 9 right angles

• 12 angles, 8 right angles

• 12 angles, 9 right angles

How many dashed lines shown in the figure are lines of symmetry?

• 0

• 1

• 2

• 3

Which term correctly describes triangles in which all three sides have different lengths?

• equilateral

• isosceles

• right

• scalene

Pentagon RSTUV is shown. Which two line segments are parallel?

• line segment SR and line segment TU

• line segment ST and line segment RV

• line segment UT and line segment TS

• line segment RV and line segment UV

Select all of the statements below that are true when describing a polygon.

• A polygon is a closed figure.

• A polygon can have 1 or more sides that are curved.

• The sides of a polygon do not cross.

• A polygon has 3 or more sides.

Name a polygon with eight sides.

• hexagon

• square

• octagon

• nonagon

Name a polygon with 6 sides.

• hexagon

• heptagon

• octagon

• nonagon