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irina1246 [14]
4 years ago
7

How do you find 2 missing angles of a triangle ?

Mathematics
1 answer:
zmey [24]4 years ago
3 0
If you have all the sides and one angle, you can use the Law of Sines to find the other angles. The Law of Sines states that sinA(angle A)/a(side a)=sinB/b=sinC/c.
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Solve for x.<br> y= 2x<br> y=20<br> Simplify your answer as much as possible.
Naya [18.7K]

Answer:

20=2x

20/2=x

X=10

Step-by-step explanation:

6 0
3 years ago
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MATH QUESTION!! WILL MARK BRAINLIEST!! PAST DUE HELP ASAP!!!
monitta

Answer:

<em>Proof below</em>

Step-by-step explanation:

<u>Right Triangles</u>

In any right triangle, i.e., where one of its internal angles is 90°, some interesting relations stand. One of the most-used is Pythagora's Theorem.

In a right triangle with shorter sides a and b, and longest side c, called the hypotenuse, the following equation is satisfied:

c^2=a^2+b^2

The image provided in the question shows a line passing through points A(0,4) and B(3,0) that forms a right triangle with both axes.

The origin is marked as C(0,0) and the point M is the midpoint of the segment AB. We have to prove.

CM=\frac{1}{2}AB

First, find the coordinates of the midpoint M(xm,ym):

\displaystyle x_m=\frac{0+3}{2}=1.5

\displaystyle y_m=\frac{4+0}{2}=2

Thus, the midpoint is M( 1.5 , 2 )

Calculate the distance CM:

CM=\sqrt{(1.5-0)^2+(2-0)^2}

CM=\sqrt{2.25+4}=\sqrt{6.25}=2.5

CM=2.5

Now find the distance AB:

AB=\sqrt{(3-0)^2+(4-0)^2}=\sqrt{3^2+4^2}=\sqrt{9+16}=\sqrt{25}

AB=5

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It's proven CM is half of AB

3 0
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What is the angle of GHD?
natta225 [31]
The answer is 102


3x+2x+50=180
5x+50=180
5x+50-50=180-50
5x=130
5x/5=130/5
X=26
2(26)+50=102
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Answer: 150

Step-by-step explanation:

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What method can be used?
BigorU [14]

Answer:

'''

Step-by-step explanation:

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