If x + 7 = 23, then x = 16.
If 4x = 40, then x = 10
If x = 7 and y = x + 5, then y = 12
If 2x = 28, then 28 = 2x
x = x
If x = y and y = z, then x = z.
AB + BC = AC
If
If
If
If
If
If
If H is the midpoint of
If
AB + AB = 2(AB)
Name the three types of proofs.
#1
#2
#3
Which type of tool in Geometry do we accept without having to prove it?
Which type of tool in Geometry do we have to prove before using it?
In the proof below, first reorder the statements to complete the left side of the proof. Then, provide the reasons for each statement.
Put the statements in the correct order to complete the proof.
GA + AM = GM
3x = 33
3x - 5 = 28
GM = 28
x + 3 + 2x - 8 = 28
x = 11
Using the correct order of the proof completed above, state the reasons for each step.
Reason #1
Reason #2
Reason #3
Reason #4
In the proof below, first reorder the statements to complete the left side of the proof. Then, provide the reasons for each statement.
Put the statements in the correct order to complete the proof.
x = 3
2x + 1 = 4x - 5
6 = 2x
1 = 2x - 5
3 = x
Using the correct order of the proof completed above, state the reasons for each step.
Reason #1
Reason #2
Using the diagram below, solve for x.
Using the diagram below, solve for x.
Complete the proof below:
Reason #1
Reason #2
Reason #3
Reason #4
Complete the proof below:
Reason #1
Reason #2
Reason #3
Reason #4
Reason #5
Reason #5
Reason #6
Reason #3
Reason #4
Reason #5
Reason #6
Reason #7
Reason #8