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yan [13]
3 years ago
5

What is thw value of x?x=____​

Mathematics
2 answers:
Lyrx [107]3 years ago
6 0

Answer:

x = 30

Step-by-step explanation:

The 2 given angles are same- side exterior angles. That is they are on the same side of the transversal and outside the parallel lines.

same- side exterior angles are supplementary, thus

x + 12 + 3x + 48 = 180, that is

4x + 60 = 180 ( subtract 60 from both sides )

4x = 120 ( divide both sides by 4 )

x = 30

NISA [10]3 years ago
6 0

Answer:

(3x+48)+(x+12)

=4x+60

4x+60=180

4x=120

x=30

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. How can you know if 2 shapes are congruent? Draw an example of 2 congruent triangles and label how you know.
ValentinkaMS [17]

Triangle ABC and triangle DEF are congruent by the SAS Congruence Postulate

<h3>What are congruent triangles?</h3>

Two triangles are said to be congruent if they have the same shape and their corresponding sides are also congruent.

We can say that two triangles are congruent using these 5 rules:

1: SSS or the side, side, side rule, that means that we have two triangles with all three sides equal.

2. SAS or side, angle, side states that in the two triangles, two sides and the included angle are equal.

3. ASA or angle, side, angle states that in two triangles, the two angles and the included side are equal.

4. AAS or angle, angle, side states that we have two triangles where two angles and the non-included side are equal.

5. HL or the Hypotenuse Leg rule states that, if the hypotenuse and one leg of one right-angled triangle are equal to the corresponding hypotenuse and leg of another right-angled triangle, then the two triangles are congruent.

Two triangles are said to be congruent if they have the same shape and their corresponding sides are also congruent.

Example:-From the diagram, given that:

AB = DE, BC = EF and ∠B = ∠E

Triangle ABC and triangle DEF are congruent by the SAS Congruence Postulate

Find out more on congruent triangles at:

brainly.com/question/2644832

#SPJ1

6 0
2 years ago
Question 4 of 10
Blababa [14]
A or c am not completely sure I am 90% sure or is I
3 0
3 years ago
Turn this into a mathematical statement<br><br> One-half a number (x) is equal to 14
sergey [27]

One-half a number (x) is equal to 14.

One-half: 1/2

a number x: multiplied by x

is equal to: =

1/2x = 14

If you were going to solve for it, divide both sides by 1/2.

x = 28

3 0
3 years ago
Read 2 more answers
Is 4,9,16 an arithmetic or geometric sequence?
BaLLatris [955]
I think it’s neither ??
3 0
3 years ago
If 3a +5b =10 and 5a +3b =30 what is the average of a and b?
saw5 [17]

Hello, please consider the following.

3a+5b + 5a + 3b = 8(a+b)=10+30=40\\\\a+b=\dfrac{40}{8}=5

And the average is

\dfrac{a+b}{2}\boxed{=\dfrac{5}{2}}

Thank you.

6 0
3 years ago
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