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Basile [38]
3 years ago
5

Solve for x and tell how you got it (have to write work!)

Mathematics
2 answers:
icang [17]3 years ago
5 0
Well this is an isosceles triangle so there’s corresponding angles which mean the 45 degrees on the bottom also equals the one opposite from that. So 45+45=90..... And ofc a Triangle equals 180 (so 180-90= 90) so put the choices in place of 2x and u should get c 2x45=90 (I rlly hope this makes sense it’s kinda hard to explain!)
Paul [167]3 years ago
4 0
<h3>Hello there!</h3>

Let's look at the information given to us.

- The figure is a triangle

- One angle is 45 degrees

- The other two measure x and 2x

Now, what can we do with this information?

What is the sum of all the interior angles in a triangle? According to the angle sum theorem, it's 180 degrees.

Since you're given all interior angles in the triangle, you can write it out as:

x + 2x + 45 = 180

As x, 2x, and 45 are the interior angles.

Now, how can you solve this for x?

First, move all like terms to one side. In this case, move all numbers with x in it to one side, and all those without to the other, by doing the exact operation provided to both sides.

x + 2x + 45 - 45 = 180 - 45

x + 2x = 180 - 45

And now simplify.

3x = 135

/3     /3

x = 45

Therefore, your answer is x = 45.

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Answer:

0

Step-by-step explanation:

By Theorem 10.2, in the same circle or congruent circles, if two chords are equal, then their corresponding minor arcs are congruent. Concentric circles have the same center but the circles do not intersect. Therefore, the number of points shared by concentric circles is 0.

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katen-ka-za [31]

Answer:

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The fixed line of a parabola is known as the directrix of the parabola.

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Sedaia [141]
<h3>Answer: 32 degrees</h3>

================================

Work Shown:

Inscribed angle theorem

arc measure = 2*(inscribed angle)

arc ABC = 2*(angle D)

arc ABC = 2*(35)

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