Measure Triangles

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

• 90°

• 360°

• 180°

• 45°

Tags

CCSS.8.G.A.5

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

• 222°

• 22°

• 122°

• 102°

Tags

CCSS.8.G.A.5

Bella has a window in her bedroom shaped like a triangle. Each angle of the triangle measures less than 90 degrees. What kind of triangle is her window?

• Straight

• Acute

• Obtuse

• Right

Tags

CCSS.4.G.A.2

The measure of each angle of an acute triangle must be —

• equal 90°

• less than 90°

• total 360°

• more than 90°

Tags

CCSS.8.G.A.5

Stuart drew a triangle. ∠ABC had a measure of 60 degrees. ∠BAC also had a measure of 60 degrees. ∠ACB also had a measure of 60 degrees. What kind of triangle is ΔABC?

• Right

• Acute

• Obtuse

• Straight

Tags

CCSS.4.G.A.2

Why is the triangle classified as isosceles?

• All angles are acute

• At least two sides are congruent

• At least one angle is acute

• All angles are congruent

Tags

CCSS.2.G.A.1

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.

Tags

CCSS.4.G.A.2

What type of triangle is this?

• acute triangle

• obtuse triangle

• right triangle

Tags

CCSS.4.G.A.2

What type of triangle is this?

• acute triangle

• obtuse triangle

• right triangle

Tags

CCSS.4.G.A.2

What type of triangle is this?

• acute triangle

• obtuse triangle

• right triangle

Tags

CCSS.4.G.A.2