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Alja [10]
3 years ago
5

Part 2: Use congruency theorems to prove congruency. The congruency of △MNO and △XYZ can be proven using a reflection across the

line bisecting OZ. However, this congruency can also be proven using geometric postulates, theorems, and definitions. Prove that the triangles are congruent using a two-column proof and triangle congruency theorems. Given: M ≅ X N ≅ Y YO ≅ NZ Prove: △MNO ≅ △XYZ NEED A GOOD EXPLAINATION PARAGRAPH
Mathematics
1 answer:
In-s [12.5K]3 years ago
3 0

Only the reasons need be given here, as the statements are already given in your figure.

Given

Given

Given

Definition of congruent line segments

Symmetric property of congruence

Addition and substitution properties of equality*

Segment addition theorem

Definition of congruent line segments

AAS congruence postulate

_____

* The addition property says if A=B, then A+C=B+C. The substitution property further says if C=D, then A+C=B+D (D can be substituted for C). IMO, both properties are needed together to get from A=B and C=D to A+B=C+D.

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What are the factors of expression (y-3)(x+7)
torisob [31]
That is easy!! :)
y=3 and x=-7

When you find the factors of something like this, you have to just get the letter alone.

For example: y-3. You have to first write it as y-3=0, then you add 3 from BOTH sides of the = so that you can make the -3 go away and y will be alone. So, it will look like this: y-3+3=0+3. Then, you solve it for y (which just means that you want y by itself on one side of the = ). So, -3+3=0, which means they disappear from that side; since 0+3=3, that's what that side turns into, so what you end up with is y=3

Same thing goes for the x+7 equation:
x+7=0
x+7-7=0-7
x=-7
4 0
3 years ago
Help urgently. Which one should I circle?
ratelena [41]

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Step-by-step explanation:

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the metro theater has 20 rows of seats with 18 seats I each row. Ticket cost $5. the theater's income in dollars if all seat are
Mumz [18]
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7 0
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Please help with 2 and 3 for maths
Vera_Pavlovna [14]

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8 0
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If a position on the ocean floor is 12 kilometers below the sea level, which value describes the elevation of the ocean floor
LenKa [72]

Answer:

- 12

Step-by-step explanation:

The sea level serves as a reference point and may be used to describe objacetsvir positions above or below it. Therefore, the sea level is regarded as a zero point or level. Hence, objects below are describes to be at a negative distance while those above are assigned the positive sign. Hence, for a position which is 12 km below sea level, then the object is said to be at a distance of - 12 km (below sea level takes the negative sign.)

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