Unit 4 Test

Classify the following triangle by side lengths.

• Equilateral

• Scalene

• Isosceles

• Equiangular

ΔPQR is isosceles, with PQ ≅ RQ. Which is the length of PR?

• PR = 6

• PR = 11

• PR = 14

• PR = 18

What is the value of x?

• x = 10

• x = 15

• x = 25

• x = 50

What is the m∠CAD?

• m∠CAD = 45°

• m∠CAD = 42°

• m∠CAD = 38°

• m∠CAD = 60°

Given that △ABC ≅ △DEF, m∠C = (x)° and m∠F = (4x - 75)°. Find the angle measurements for angles C and F.

• 25°

• 50°

• 5°

• 10°

Find the value of x.

△QRS ≅ ____?

• △ZYX

• △YZX

• △XZY

• △YXZ

What congruence postulate could be used to prove △QRS ≅ △QRT?

• SAS

• ASA

• SSS

• SSA

Find the measure of ∠ACB.

• ∠ACB = 104°

• ∠ACB = 76°

• ∠ACB = 52°

• ∠ACB = 60°

Given: ΔABC ≅ ΔLKM. Solve for x.