Triangles

Front

Two angles in a triangle measure 30° and 105°. What is the measure of the third angle in the triangle?

Back

45°

Front

Two angles in a triangle measure 18° and 60°. What is the measure of the third angle in the triangle?

Back

102°

Front

Leah drew a triangle with sides 5 inches, 4 inches, and 3 inches. What kind of triangle is it?

Back

Scalene

Front

Why is the triangle classified as isosceles? Options: All angles are acute, At least two sides are congruent, At least one angle is acute, All angles are congruent

Back

At least two sides are congruent

Front

Which statement is true about group A?

• The triangles are all equilateral.
• The triangles are all acute triangles.
• The triangles are all scalene.
• The triangles are all obtuse triangles.

Back

The triangles are all acute triangles.

Front

Which is a true statement?

• An acute triangle has three acute angles.
• An obtuse triangle has two obtuse angles.
• A right triangle has two right angles.
• A right triangle has 3 congruent angles.

Back

An acute triangle has three acute angles.

Front

Each angle of a triangle measures less than 90 degrees. What kind of triangle is it?

Back

Acute

Front

Susie had to draw 2 different triangles for class. Which of the following best describes the triangles she drew?

Back

These triangles are acute isosceles triangles.

Front

Choose the triangle that has the correct interior angle measurements: , ,

Back

Front

What is the sum of the measures of the angles of any triangle?

Back

180°