Module 4 Review

Front

What is a line of symmetry?

Back

A line of symmetry is a line that divides a shape into two identical parts that are mirror images of each other.

Front

Which shape has exactly ONE line of symmetry?

Back

A rectangle has exactly one line of symmetry.

Front

What is a right triangle?

Back

A right triangle is a triangle that has one angle measuring 90 degrees.

Front

What is an acute triangle?

Back

An acute triangle is a triangle where all three angles are less than 90 degrees.

Front

What is an obtuse triangle?

Back

An obtuse triangle is a triangle that has one angle measuring more than 90 degrees.

Front

What is an equilateral triangle?

Back

An equilateral triangle is a triangle where all three sides and angles are equal.

Front

How do you find the measure of an angle in a triangle?

Back

The sum of the angles in a triangle is always 180 degrees.

Front

What equation can be used to find the measure of angle A if angle B is 38 degrees?

Back

180 - 38 = 142.

Front

What is line symmetry in letters?

Back

Line symmetry in letters means that the letter can be divided into two identical halves.

Front

Which letter has line symmetry?

Back

The letter 'A' has line symmetry.