Lines, Angles and Geometric Objects Study Guide

What is the measure of the angle in the picture?

• 50 degrees

• 135 degrees

• 70 degrees

• 80 degrees

There are 180° in a circle.

• True

• False

The unit used to measure angles is degrees.

• True

• False

The shorter the rays of an angle, the smaller the measure of the angle.

• True

• False

A grasshopper jumped from point A to point B on this number line. Which fraction describes the distance from point A to point B?

• 1/3

• 1/2

• 3/8

• 5/6

What type of triangle is shown in figure A?

• Acute triangle

• Right triangle

• Obtuse triangle

• Equilateral triangle

What type of triangle is shown in figure B?

• Acute triangle

• Right triangle

• Obtuse triangle

• Isosceles triangle

What type of triangle is shown in figure C?

• Acute triangle

• Right triangle

• Obtuse triangle

• Scalene triangle

What type of triangle is shown in figure D?

• Acute triangle

• Right triangle

• Obtuse triangle

• Equilateral triangle

How many lines of symmetry does a hexagon have?

• 6

• 4

• 8

• 5