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AlekseyPX
3 years ago
14

How to find angles in a triangle

Mathematics
1 answer:
zaharov [31]3 years ago
6 0

All of the angles in the triangle add up to 180 degrees.

In a perfect triangle all of the corners are 60

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If we are given the value of α. How can we find the value of β?
Cloud [144]

Answer:

β = 140   - α

we know that the "missing" angle is 40° since 40 + 140 = 180

we also know that the total sum of angles in a triangle is 180

so  β = 180 - 40 - α

or β = 140   - α

Step-by-step explanation:

4 0
3 years ago
Find the value for x​
d1i1m1o1n [39]

Answer:

Value of x --> 15°

<u>Step-by-step explanation:</u>

(2x + 60°) and 6x lie on a straight line. So, they form a linear pair. Their sum gives 180°.

---> (2x + 60°) + 6x = 180°

     2x + 60° + 6x = 180°

     8x + 60° = 180°

     8x = 180°- 60°

     8x = 120

      x = \frac{120}{8}

<h3><u>x equals 15°</u></h3>
5 0
3 years ago
200 centimeters to 5 meters write ratio in simplest form
ss7ja [257]

Answer:

5.2

have a nice day

5 0
3 years ago
What is the equation of the line that passes through the points (-2, 1) and (6, 3)?
earnstyle [38]

Answer:

y = \frac{1}{4} x + \frac{3}{2}

Step-by-step explanation:

the equation of a line in slope- intercept form is

y = mx + c ( m is the slope and c the y- intercept )

calculate m using the slope formula

m = \frac{y_{2}-y_{1}  }{x_{2}-x_{1}  }

with (x₁, y₁ ) = (- 2, 1 ) and (x₂, y₂ ) = (6, 3 )

m = \frac{3-1}{6-(-2)} = \frac{2}{6+2} = \frac{2}{8} = \frac{1}{4} , then

y = \frac{1}{4} x + c ← is the partial equation

to find c substitute either of the 2 points into the partial equation

using (6, 3 ) , then

3 = \frac{3}{2} + c ⇒ c = 3 - \frac{3}{2} = \frac{3}{2}

y = \frac{1}{4} x + \frac{3}{2} ← equation of line

3 0
1 year ago
P(1, 10)and Q(7,4) are the endpoints of a line segment. What is the midpoint M of that line segment
melamori03 [73]

Answer:

(4, 7)

Step-by-step explanation:

The midpoint formula is (((x1 + x2)/2), ((y1+y2)/2)))

x1 +x2 = 1 +7 = 8

8/2 = 4

y1 + y2 = 10 + 4 = 14

14/2 = 7

(4, 7) is the midpoint

6 0
3 years ago
Read 2 more answers
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