Triangles Flashcard Review

Front

What is the sum of the angles in a triangle?

Back

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

Tags

CCSS.8.G.A.5

Front

What type of triangle has two equal sides?

Back

An isosceles triangle has two equal sides.

Tags

CCSS.4.G.A.2

Front

If one angle in a triangle measures 90 degrees, what type of triangle is it?

Back

It is a right triangle.

Tags

CCSS.4.G.A.2

Front

What is the formula to find the third angle in a triangle if two angles are known?

Back

The third angle can be found using the formula: Third Angle = 180 - (Angle1 + Angle2).

Tags

CCSS.8.G.A.5

Front

What is a scalene triangle?

Back

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

Tags

CCSS.4.G.A.2

Front

Back

Tags

CCSS.8.G.A.5

Front

What is the measure of the third angle in a triangle with angles measuring 50 degrees and 60 degrees?

Back

The third angle measures 70 degrees.

Tags

CCSS.8.G.A.5

Front

What is the relationship between the angles of a triangle and a straight line?

Back

The angles of a triangle sum up to 180 degrees, which is the same as a straight line.

Tags

CCSS.8.G.A.5

Front

What is an equilateral triangle?

Back

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

Tags

CCSS.4.G.A.2

Front

How do you set up an equation to find an unknown angle in a triangle?

Back

Set up the equation using the sum of angles: Angle1 + Angle2 + Angle3 = 180 degrees.

Tags

CCSS.8.G.A.5