Eureka Math Grade 4 Module 4 End of Module Review

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 isosceles triangle?

Back

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

Front

How many lines of symmetry does a circle have?

Back

A circle has an infinite number of lines of symmetry.

Front

What is the sum of the angles in a triangle?

Back

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

Front

If one angle in a triangle is 141 degrees, what can you say about the other angles?

Back

The other angles must be acute, as the sum of all angles in a triangle is 180 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 a scalene triangle?

Back

A scalene triangle is a triangle where all three sides are of different lengths.

Front

What is the measurement of a right angle?

Back

A right angle measures exactly 90 degrees.

Front

What is the definition of symmetry?

Back

Symmetry is when one shape becomes exactly like another if you flip, slide, or turn it.

Front

What is the measurement of the missing angle if two angles in a triangle are 70 degrees and 80 degrees?

Back

The missing angle is 30 degrees.