Classifying Triangles by Sides and Angles

The smallest angle would be located where in a triangle?

• Across from the smallest side.

• Across from the largest side

• Cannot tell

Where would the largest side of a triangle be located?

• Across from the largest angle.

• Across from the smallest angle.

• Next to the smallest side.

• Across the smallest side.

Name the angles from SMALLEST to LARGEST

• Q, R, P

• P, Q, R

• R, P, Q

• R, Q, P

Name the sides from SMALLEST to LARGEST

• RS, ST, TR

• ST, RT, RS

• RT, ST, RS

• RT, RS, ST

Name the angles from LARGEST to SMALLEST

• R, S, T

• S, T, R

• S, R, T

• T, S, R

Name the sides from LARGEST to SMALLEST

• KJ, KH, JH

• JH, KH, KJ

• KH, KJ, JH

• KH, JH, KJ

Find the largest angle in Δ PRQ

• ∠R

• ∠P

• ∠Q

• ∠S

Find the largest side in Δ BCD

• Segment BC

• Segment DB

• Segment DC

• Segment AB

Which type of triangle is pictured?

• Equilateral Triangle

• Right Isosceles Triangle

• Obtuse Scalene Triangle

• Obtuse Equilateral Triangle

What do the angles in an equilateral triangle measure?

• 30, 60, 90

• 45, 45, 90

• 60, 60, 60

• 35, 55, 90