1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
ASHA 777 [7]
3 years ago
6

Geometry Proof - Thanks in advance for the help!

Mathematics
1 answer:
RideAnS [48]3 years ago
8 0

Answer:

Using reflexive property (for side), and the transversals of the parallel lines, we can prove the two triangles are congruent.

Step-by-step explanation:

  • Since AB and DC are parallel and AC is intersecting in the middle, you can make out two pairs of alternate interior angles<em>.</em> These angle pairs are congruent because of the alternate interior angles theorem. The two pairs of congruent angles are: ∠DAC ≅ ∠BCA, and ∠BAC ≅ ∠DCA.
  • With the reflexive property, we know side AC ≅ AC.
  • Using Angle-Side-Angle theorem, we can prove ΔABC ≅ ΔCDA.
You might be interested in
Help please due now!
MissTica

Answer:

8

Step-by-step explanation:

3(2)-2(1-2) / 3-2

6-2(-1) / 1

6 + 2 / 1

8 / 1

= 8

6 0
3 years ago
10 POINTS<br><br> Seventeen is 20% of what number?<br><br> Enter your answer in the box.
Scrat [10]
85


Also, this is 5 points.
4 0
4 years ago
What the area of the irregular polygon 4 units,2 units,9 units.4 units
Vlada [557]
Hey, I'll be happy to assist you, but I need a picture or diagram with the measurements of the polygon and the poly itself :)
6 0
3 years ago
The system of equations below represents the measures of 2 angles created by the diagonal of a rectangle: x + y = 90 y =1/5 What
madreJ [45]

Answer:

The larger of the two angles is x, which is 75. y is the smaller angle at 15.

Step-by-step explanation:

In order to find these, we can use our solved value for y in the second equation to plug into the first equation. This method is called substitution.

x + y = 90

x + (1/5x) = 90

1.2x = 90

x = 75

Now we can plug that value into either equation to find y

y = 1/5x

y = 1/5(75)

y = 15

4 0
3 years ago
Solve the equation by using the combination method<br><br> 3x-2y=12 <br><br> -3x+8y=-6
defon

Combine the 2 equations:


3x-2y=12

-3x+8y=-6

---------------

6y = 6, which tells us that y=1.


Now subst. 1 for y in the 2nd equation: -3x +8(1) = -6.

Then 14=3x, and x = 14/3.


The solution is (14/3,1).


7 0
3 years ago
Other questions:
  • What are prime numbers
    8·2 answers
  • Use Quadratic Formula<br> 2x2 + 10x = -11<br> hth24
    10·1 answer
  • What is the best methodology for working out factors of a number
    12·1 answer
  • Isaac has spent $20 to set up cable service and the monthly fee is $54.95. Write an equation to represent the total amount it co
    5·1 answer
  • Matthew cleaned the garage in 2.5 hours he was paid x dollars per hour he then spent $3 and had $12 remaining how much was he pa
    15·1 answer
  • This is image may be result of the...
    5·1 answer
  • Can anyone help me with this
    12·1 answer
  • Which value of x makes the following equation true?
    9·1 answer
  • Please please please help no link no links no links
    5·1 answer
  • Help algebra 2 please
    7·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!