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xenn [34]
2 years ago
9

What is the length of AB? O A. 9 O B. 18 O C. 48 D. 6

Mathematics
2 answers:
fgiga [73]2 years ago
7 0
The first one is correct 9
insens350 [35]2 years ago
6 0
<h3>Answer:  A.  9</h3>

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

Explanation:

Draw in the segments AO and OC.

Triangle ABO is congruent to triangle CBO. We can prove this through the use of the HL theorem. HL stands for hypotenuse leg.

Since the triangles are congruent, this means the corresponding pieces AB and BC are the same length.

Then we can say:

AB+BC = AC .... segment addition postulate

AB+AB = AC .... plug in BC = AB

2*AB = AC

2*AB = 18

AB = 18/2 .... divide both sides by 2

AB = 9

In short, the chord AC is bisected by the perpendicular radius drawn in the diagram. So all we do is cut AC = 18 in half to get AB = 9.

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7 0
3 years ago
Write an eqaution in slope-intercwpt form for the line with slope -5 and y-intercept 9
DerKrebs [107]

Answer:

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6 0
2 years ago
Vic and Paulo work on different levels in an underground coal mine. Vic's level is at an elevation of −70.51 meters relative to
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I do not understand this problem.
vovikov84 [41]
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