not going to lie, im dog at math and can't afford to fail. please help
Geometry A semester Exam
1. when the net is folded into the pentagonal prism shown beside it, which letter will be on the bottom left side if a is facing frontward, g is top right, and f is bottom right?
c
d*
e
b
2. how are <1 and <2 related?
a: they are supplementary *
b: they are complementary
c:they are vertical
d: they are adjacent
3.find the midpoint of RS
a:(-5,3)
b: (3,3)
c:(-1,3) *
D:(0,3)
Find the lengths of the sides of a triangle with vertices:(0,0),(5,0), (5,12)
a:5, 12, 12
b:5,5,12
c:5,12,5
d:5,12,13*
5. what is the converse of the following conditional?
if a point is in the first quadrant, then its coordinates are positive.
a. if a point is in the first quadrant, then its coordinates are positive
b. if the coordinates of a point are positive, then the point is in the first quadrant. *
c. if the coordinates of a point are not positive, then the point is not in the first quadrant.
d. if a point is not in the first quadrant, then the coordinates of the point are not positive.
6. complete the two column proof
Given x/6 + 2=15
prove: x=78
x/6+2=15 a.
x/6=13 b.
x=78 c.
A. a. Given
b. subtraction property of equality
c. division property of equality
B. a. given
b. addition property of equality
c. multiplication property equality
C. a. given
b. addition property of equality
c. division property of equality
D. a. given*
b. subtraction property of equality
c. multiplication property of equality
7. Chicago Ave. is parallel to Ontario street. what is the relationship between angles 2 and 3
A. they are same-side interior angles.*
B. they are corresponding angles.
C. they are alternate interior angles.
D. they are alternate exterior angles.
8. given that AD and BC are parallel, find the value of x
A. 15*
B.5
C.12.5
D.17.5
9. construct the line perpendicular to NO at point P
A.
B.
C. /just gotta trust me on this one/*****
D.
10. what must be true about the slopes of two perpendicular lines, neither of which is vertical?
A. the slopes are equal.
B. the slopes have product 1.
C. the slopes have product -1. *
D. one of the slopes must be 0.
11.provide the reason for the following proof.
given: WX=XY, XZ bisects <WXY
Prove: WXZ = YXZ
Statements reasons
WX=XY,XZ bisects <WXY 1. given
2. <WXZ=<YXC 2. Definition of an angle bisector
3. XZ=XZ 3.
4. WXZ=YXZ 4.
A .
B.
C.
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