Geometry R Chapter 4 Test Review

Front

The measures of the angles of a triangle are represented by 3x, x + 30, and 3x + 10. Find the value of x.

Back

20

Front

The measures of the angles of a triangle are represented by 3x, x + 30, and 3x + 10. Find the measure of angle 3x + 10.

Back

70

Front

In the accompanying diagram of isosceles triangle DEF, DE ≅ DF, m∠EDF = y, and m∠DEF = y + 20. What is the value of y?

Back

60

Front

In the accompanying diagram, ∠ACD is an exterior angle of ΔABC. If m∠A = 45 and m∠B = 55, find m∠ACD.

Back

100

Front

In the accompanying diagram, B is the midpoint of AC, DA ⊥ AC, EC ⊥ AC, and DB ≅ EB. Which method of proof may be used to prove ΔABD ≅ ΔCBE?

Back

HL ≅ HL

Front

In the accompanying diagram of quadrilateral ABCD, diagonal AC bisects ∠BAD and ∠BCD. Which statement can be used to prove that ΔABC ≅ ΔADC?

Back

ASA ≅ ASA

Front

Back

Front

Back

AAA \cong AAA

Front

Back

x = 8

Front

Back

SAS \cong SAS