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PIT_PIT [208]
3 years ago
12

Help plz this hard i really need help

Mathematics
1 answer:
Assoli18 [71]3 years ago
8 0

With all questions???

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Chord AB subtends two arcs with measures in the ratio of 1:5. Line l is tangent to a circle at point A. Find the measure of the
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Answer:

30°

Step-by-step explanation:

If chord AB subtends two arcs with measures in the ratio of 1:5, then the measure of minor arc is x and the measure of major arc is 5x. Thus,

x+5x=360^{\circ}\\ \\6x=360^{\circ}\\ \\x=60^{\circ}.

Thus, the measure of the angle AOB  is 60°. Consider isosceles triangle AOB (because AO=BO=radius of the circle). The angles adjacent to the base AB are congruent, thus

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Ethan can type 6 pages before meeting starts.

Step-by-step explanation:

Given that,

Ethan can type 2 pages in 1/8 hours

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    45 minutes = (1/7.5) * 45

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7 0
3 years ago
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