Symmetry and Triangles Grade 5

What type of angle is formed by the intersection of Windy Lane and State Street?

• acute

• right

• obtuse

• straight

In the hexagon KLMNOP, which side is parallel to side MN?

• OP

• KP

• KL

• LM

Which polygon show diagonals that are perpendicular to each other?

• 
• 
• 
• 

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

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

What is being shown?

• a pair of parallel lines

• a pair of intersecting lines

• a pair of congruent ray

• a pair of perpendicular lines

The hands of the clock form a(n) _________ angle.

• obtuse

• straight

• right

• acute

If the angles on a triangle all measure less than 90 degrees, what type of triangle is it?

• obtuse triangle

• right triangle

• straight triangle

• acute triangle

How many lines of symmetry does this object have?

• 0

• 1

• 2

• 3

How many lines of symmetry does the figure have?