Math 1312 Popper 01 1. Vertical angles are congruent. 2

Math 1312
Popper 01
1. Vertical angles are congruent.
Always true
A. Always true
B. Sometimes true
C. Never true
2. Complementary angles are congruent.
A. Always true
B. Sometimes true Sometimes true: 45 + 45 = 90, 30+60 = 90
C. Never true
3. Which property justifies this conclusion?
If X is a point on RS and R-X-S, then RX + XS = RS.
A.
B.
C.
D.
Ruler Postulate
Segment - Addition Postulate Segment Addition Postulate
Line - Addition Postulate
None of These
4. m∠1 = 99 o , then ∠1 is a(n):
A.
B.
C.
D.
acute angle
right angle
straight angle
obtuse angle
Obtuse angle
5. Given that 2x + 3 = 17, which operation leads to the conclusion that 2x = 14?
A.
B.
C.
D.
adding 3 to each side of the equation
subtracting -3 from each side of the equation
adding -3 to each side of the equation
adding -3 is correct. Or we can say subtracting
None of the above
3.
6. If two angles are congruent to the same angle, then these angles are congruent.
A. True
B. False
True
7. If two angles are complementary to the same angle, then these angles are
complementary.
A. True
B. False
False, they will be congruent to each other.