Eureka Math Grade 4 Module 4 End of Module Review

Front

What is the measure of angle a in the figure?

Back

40 degrees

Front

What is a symmetric figure?

Back

A figure that can be divided into two identical halves that are mirror images of each other.

Front

What is the definition of an angle?

Back

An angle is formed by two rays with a common endpoint, called the vertex.

Front

What is the sum of angles in a triangle?

Back

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

Front

What is an isosceles triangle?

Back

An isosceles triangle is a triangle that has at least two sides of equal length.

Front

What is a scalene triangle?

Back

A scalene triangle is a triangle with all sides of different lengths.

Front

What is an equilateral triangle?

Back

An equilateral triangle is a triangle with all three sides of equal length.

Front

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

Back

Subtract the sum of the known angles from 180 degrees.

Front

What is the definition of symmetry?

Back

Symmetry is when one half of an object is a mirror image of the other half.

Front

What is the measure of angle A if it is given as 141 degrees?

Back

Angle A measures 141 degrees.