CP Geo - Classify Triangles & Triangle Angle Sum Check-in Qu

Classify the triangle.

• Right Isosceles

• Right Scalene

• Acute Scalene

• Acute Right

What is the sum of the three angles in a triangle?

• 100º

• 180º

• It depends on how big the triangle is.

• 360º

If 2 of the angles of a triangle are 30 and 70 degrees, the third angle measures...

• 80º

• 100º

• 60º

• 90º

Which angle is opposite $\overline{PR}$   ?

• ∠R

• ∠P

• ∠Q

• ∠S

Classify this triangle by side lengths.

• Equilateral

• Isosceles

• Scalene

• Can not be determined.

Which would be the best classification for the triangle shown?

• acute isosceles

• right scalene

• acute scalene

• obtuse scalene

Which would be the best classification for the triangle shown?

• acute scalene

• equiangular scalene

• obtuse isosceles

• equiangular equilateral

Which would be the best classification for the triangle shown?

• acute isosceles

• obtuse scalene

• obtuse isosceles

• acute scalene

Find the measure of the missing angle.

• 61º

• 50º

• 60º

• 69º

Find the measure of the missing angle (x).

• 95º

• 85º

• 35º

• 45º