Missing Measurements of Triangle Puzzles

A triangle has one obtuse angle and one acute angle. Which could be the measure of the third angle?

• 80°

• 90°

• 100°

• 110°

Tags

CCSS.8.G.A.5

Which triangle CANNOT be drawn?

• acute scalene triangle

• obtuse scalene triangle

• isosceles right triangle

• obtuse equilateral triangle

Tags

CCSS.2.G.A.1

Which of the following triangles CANNOT be drawn?

• Scalene right triangle

• Acute isosceles triangle

• Equilateral right triangle

• Obtuse isosceles triangle

Tags

CCSS.2.G.A.1

Which set of angle measurements could be the three interior angles that form a triangle?

• 22°, 61°, 97°

• 45°, 45°, 60°

• 39°, 42°, 37°

• 60°, 110°, 30°

Tags

CCSS.8.G.A.5

Two angles of a triangle measure 30° and 108°. What is the measure of the third angle of the triangle?

• 42°

• 45°

• 62°

• 100°

Tags

CCSS.8.G.A.5

Two angles of a triangle measured 78° and 30°. What is the measure of the third angle?

• 60°

• 62°

• 72°

Tags

CCSS.8.G.A.5

A triangle has angles that measure 36° and 64°. What is the measure of the third angle?

• 60°

• 80°

• 100°

Tags

CCSS.8.G.A.5

A right triangle has an angle that measures 54°. Which could be the measure of another angle in the triangle?

• 36°

• 46°

• 126°

Tags

CCSS.8.G.A.5

A triangle has two angles that measure 40° and 100°. What type of triangle is this?

• Scalene

• Isosceles

• Equilateral

• Right

Tags

CCSS.4.G.A.2

Which set of angle measures could be the interior angles of a triangle?

• 25°, 30°, 35°

• 35°, 60°, 75°

• 45°, 60°, 75°

• 60°, 90°, 120°

Tags

CCSS.8.G.A.5