Triangles, Angles, and Quadrilaterals

Determine whether the triangles are similar by AA~, SSS~, SAS~, or not similar. Select all that applies.

• AA

• SAS

• SSS

• not similar

• 7

• 12

• 6

• 4

Determine whether the triangles are similar by AA~, SSS~, SAS~, or not similar.

• AA

• SSS

• SAS

• no similar

What is the correct postulate to prove these two triangles congruent?

• SSS

• SAS

• ASA

• AAS

• HL

What is the measure of BC?

• 12

• 6

• not enough information

• 10

What is the length of DF?

• 8

• 4

• 25

• 71

State if the two triangles are congruent. If so, state how you know.

• Congruent by SSS

• Congruent by SAS

• Not Congruent

Name this triangle.

• Right, Isosceles
• Scalene, acute
• Isosceles, acute
• Equilateral, obtuse

Which would be the best classification for the triangle shown?

• acute isosceles
• equiangular scalene
• equiangular isosceles
• equiangular equilateral

What is the value of x?

• 16

• 60

• 8

• not enough information