GEOMETRY FINAL TEST 8TH

A triangle in which the three sides have different lengths.

• right

• obtuse

• acute

• scalene

• equilateral

Equilateral triangles are isosceles triangles.

• True

• False

The acute angles of a right triangle are complementary.

• True

• False

Which type of triangle is not possible?

• right isosceles

• obtuse scalene

• acute equilateral

• right scalene

• obtuse equilateral

Which postulate or theorem can be used to prove the triangles congruent?

• ASA

• SAS

• AAS

• SSS

• cannot be proved congruent

Which postulate or theorem can be used to prove the triangles congruent?

• ASA

• SAS

• AAS

• SSS

• Not enough information

 $Find\ \rightarrow\ m\angle ACB\ \rightarrow\ if\ \rightarrow\ m\angle BAC\ =40\degree$  

• 50°

• 35°

• 70°

• 80°

• cannot be determined

Which postulate or theorem can be used to prove the triangles congruent?

• ASA

• SAS

• AAA

• SSS

• cannot be proved congruent

Which postulate or theorem can be used to prove the triangles congruent?

• HA

• LL

• HL

• LA

• cannot be proved congruent

For which type of triangle is an altitude a side of the triangle?

• acute

• obtuse

• right

• equilateral

• scalene