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yanalaym [24]
3 years ago
6

Please heeeeeeeeelp! Ill give brainliest!

Mathematics
2 answers:
Alinara [238K]3 years ago
8 0

Step-by-step explanation:

ok so as u know the angles of a triangle add up to 180.

So we will be using that for help.

S+R+T=180

12x+13x+12x-4+2-3=180

37x-5=180

37x=185

x=5

Now we will plug in the value for x to find each angle

S= 13(5)-4

=61

T=12(5)-3

=57

R=12(5)+2

=62

Hope this helped:)

jok3333 [9.3K]3 years ago
5 0

Answer:

62,57,61

Step-by-step explanation:

(12x +2)  + (12x-3 ) + (13x-4)  = 180

37x  = 180 -2 +3+4

37x = 185

x = 185/37 =  5

One angle =(12x +2) = 62

Second angle =(12x-3 ) = 57

Third angle = (13x-4) = 61

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Given the midpoint and one endpoint of a line segment, find the other endpoint.
neonofarm [45]

Answer:

(-12 , 2)

Step-by-step explanation:

<u>GIVEN :-</u>

  • Co-ordinates of one endpoint = (-4 , -10)
  • Co-ordinates of the midpoint = (-8 , -4)

<u>TO FIND :-</u>

  • Co-ordinates of another endpoint.

<u>FACTS TO KNOW BEFORE SOLVING :-</u>

<em><u>Section Formula :-</u></em>

Let AB  be a line segment where co-ordinates of A = (x¹ , y¹) and co-ordinates of B = (x² , y²). Let P be the midpoint of AB . So , by using section formula , the co-ordinates of P =

(x , y) = (\frac{x^2 + x^1}{2} ,\frac{y^2 + y^1}{2} )

<u>PROCEDURE :-</u>

Let the co-ordinates of another endpoint be (x , y)

So ,

(-8 , -4) = (\frac{-4 + x}{2} , \frac{-10 + y}{2} )

First , lets solve for x.

=> \frac{x - 4}{2} = -8

=> x - 4 = -8 \times 2 = -16

=> x = -16 + 4 = -12

Now , lets solve for y.

=> \frac{y - 10}{2} = -4

=> y - 10 = -4 \times 2 = -8

=> y = -8 + 10 = 2

∴ The co-ordinates of another endpoint = (-12 , 2)

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3 years ago
PLEASEEEEE HELPP( look at picture )
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Answer:

I think it is A

Step-by-step explanation:

8 0
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