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siniylev [52]
3 years ago
14

Help 20 points plz no fake answers

Mathematics
1 answer:
ella [17]3 years ago
8 0

Here is your fake answer:

Note that for each line in a triangle, the angle opposite of it would be the same in how large the angle is. Therefore, the longer the opposite side, the greater the angle measurement. The shorter the opposite side, the smaller the angle measurement.

∴ In the order of smallest to largest:

CA = 8; m∠B = 8

BC = 12; m∠A = 12

AB = 15; m∠C = 15

∴ ∠B , ∠A , ∠C , or (C) is your answer

~

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Step-by-step explanation:

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so,

b = 40°

due to the parallel nature of the 2 lines there is a symmetry effect for such shapes inscribed a circle. the upper and the lower triangle must be similar. and when applying a vertical line through the central crossing point, everything to the left is mirrored by everything on the right.

so, angle c must be equal to angle b.

c = 40°

and as the sum of all angles in a triangle is always 180°, d is then

d = 180 - 40 - 40 = 100°

the interior angle of the arc angle a is the supplementary angle of d (together they are 180°), because together with d they cover the full down side of the top-left to bottom-right line.

interior angle to a = 180 - 100 = 80°

due to the symmetry again, the arc angle opposite to a is the same as a.

as we know, the interior angle to a pair of opposing arc angles is the mean value of the 2 angles.

so, we have

(a + a)/2 = 80

2a/2 = 80

a = 80°

there might (and actually should) be some more direct approaches for "a" out of the other pieces of information, but that was the most straight one right out of my mind, and I don't spend time on finding additional shortcuts, when I have already a working approach.

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Now we can solve this equation for m.

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Answer:

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Step-by-step explanation:

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Answer:

d

Step-by-step explanation:

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Rufina [12.5K]
Well for each pair of x and y value of the table, you can always find the coordinates of that point on the graph.
eg. x=y=-2 you can find the point {-2,-2} on the graph
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