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Sedbober [7]
3 years ago
11

Triangle Congruence:

Mathematics
2 answers:
Serga [27]3 years ago
8 0
Where are the triangles so I can compare to find the triangle congruence?
Oxana [17]3 years ago
4 0

Answer:

1. ASA

2.SSS

3. AAS

4. HL

5. it cannot be proven congruent (not satisfy any criteria)

6. ASA (the top angle of each triangle are congruent)

7. SAS

8. SSS

9. HL

10. AAS

11. it cannot be proven congruent (not satisfy any criteria)

12. SAS or AAS or ASA (the three angles of each triangle are congruent)

Step-by-step explanation:

In the picture attached, the triangles are shown. The criteria are:

SSS: side side side

SAS: side angle side

ASA:  angle side angle

AAS: angle angle side

HL: hypotenuse-leg (only valid for right triangles)

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Please help me answer one of these!
babunello [35]

This seems to be referring to a particular construction of the perpendicular bisector of a segment which is not shown. Typically we set our compass needle on one endpoint of the segment and compass pencil on the other and draw the circle, and then swap endpoints and draw the other circle, then the line through the intersections of the circles is the perpendicular bisector.


There aren't any parallel lines involved in the above described construction, so I'll skip the first one.


2. Why do the circles have to be congruent ...


The perpendicular bisector is the set of points equidistant from the two endpoints of the segment. Constructing two circles of the same radius, centered on each endpoint, guarantees that the places they meet will be the same distance from both endpoints. If the radii were different the meets wouldn't be equidistant from the endpoints so wouldn't be on the perpendicular bisector.


3. ... circles of different sizes ...


[We just answered that. Let's do it again.]


Let's say we have a circle centered on each endpoint with different radii. Any point where the two circles meet will then be a different distance from one endpoint of the segment than from the other. Since the perpendicular bisector is the points that are the same distance from each endpoint, the intersection of circles with different radii isn't on it.


4. ... construct the perpendicular bisector ... a different way?


Maybe what I first described is different; there are no parallel lines.



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3 years ago
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katrin2010 [14]

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The sum of the expression (–x² + x) and (x² – 3x – 1) will be –2x – 1. Then the correct option is D.

<h3>What is Algebra?</h3>

The analysis of mathematical representations is algebra, and the handling of those symbols is logic.

The expression can be written as

(–x² + x) and (x² – 3x – 1)

Then the sum of the expression (–x² + x) and (x² – 3x – 1) will be

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Then the correct option is D.

More about the Algebra link is given below.

brainly.com/question/953809

#SPJ1

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