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2 years ago

Las medianas de un triángulo siempre se intersecan en su interior?

Mathematics

1 answer:

Studentka2010 [4]2 years ago

8 0

Answer:

Hola, como estas?

R/= La mediana de un triángulo es una recta que une cada vértice con el punto medio del lado opuesto. ... Comprueba moviendo los puntos A, B y C que las medianas siempre se cortan en un punto interior al triángulo.

Hi, how are you?

R/= The median of a triangle is a line that joins each vertex with the midpoint of the opposite side. ... Check by moving points A, B and C that the medians always intersect at a point inside the triangle.

Step-by-step explanation:

Espero que te ayude

Gracias por los puntos. Que tengas una buena noche. ^^

I hope it helps you

Thank you for the points. Have a nice night. ^^

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I need help with this question can you help me

Debora [2.8K]

Answer:

28.26ft

Step-by-step explanation:

A=πr^2

π*3^2=28.27433

28.26

6 0

3 years ago

For the choir concert, the choir director has asked that everyone wear either black pants or blue jeans. Three times as many stu

Katyanochek1 [597]

Answer: 33 students wore blue jeans .

Step-by-step explanation:

Let x be the number of black pants.

Given : For the choir concert, the choir director has asked that everyone wear either black pants or blue jeans.

Three times as many students wore black pants as blue jeans.

i.e. Number of blue pants = 4x

If there are forty-four students in the choir, then we have

$x+3x=44\\\\\Rightarrow\ 4x=44$

Divide both sides by 4 , we get

$x=11$

Thus , the number of black pants = 11

Then , the number of blue pants = $3\times11=33$

Therefore, 33 students wore blue jeans .

6 0

3 years ago

Find the perimeter of a triangle 20cm and 29cm

bagirrra123 [75]

Answer:

Unclear.

To find the perimeter you need all three sides of the triangle. You have only given two.

All you need to do is add up all three sides and you have your perimeter.

Formula: <u>P=a+b+c</u>

5 0

2 years ago

Read 2 more answers

Is 2493 closer to 2400 rounded or 2,353

DiKsa [7]

2400 because it is only 93 away from 2493 and 2353 is more than 93 away

8 0

3 years ago

Read 2 more answers

The third term of an arithmetic sequence is 14 and the 9th term is -1. Find the first four terms of the sequence.

Liula [17]

Answer:

The first four terms of the sequence are : 19, 16.5 , 14 , 11.5

Step-by-step explanation:

In the given sequence:

a(3) = 14, a(9) = -1

The general term of a sequence in Arithmetic Progression is:

a(n) = a + (n-1)d

a(3) = a + (3 -1) d = a + 2 d

and a(9) = a + (9- 1 ) d = a + 8 d

⇒ a + 2 d = 14 ......... (1)

and a + 8 d = -1 ........... (2)

Now, solving the given system of equation, we get:

From (1), a = 14 - 2 d

Put in (2), we get:

a + 8 d = -1 ⇒ 14 - 2 d + 8d = -1

⇒ 14 + 6d = -1

or, 6d = -1 -14 = -15

⇒ d = -15/6 = -2.5

or, d = -2.5

Then a = 14 - 2 d = 14 - 2(-2.5) =14 + 5 = 19, or a = 19

Now, first four terms of the sequence is:

a = 19

a(2) = a + 4 = 19 - 2.5 = 16.5

a(3) = a + 2d = 19 + 2(-2.5) = 19 - 5 = 14

a(4) = a + 3d = 19 + 3(-2.5) = 19 - 7.5 = 11.5

Hence, the first four terms of the sequence are : 19, 16.5 , 14 , 11.5

4 0

3 years ago

Las medianas de un triángulo siempre se intersecan en su interior?​

Las medianas de un triángulo siempre se intersecan en su interior?