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Zina [86]
3 years ago
9

Quadrilateral Q O B C is inscribed within circle O. Sides A C and C B are congruent. Arc A B is 220 degrees. What is the measure

of angle OAC if major arc AB measures 220 degrees?
55°
70°
110°
140°

The answer is 55, But can someone explained to me
Mathematics
1 answer:
saul85 [17]3 years ago
4 0

Answer:

A 55

Step-by-step explanation:

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aliya0001 [1]
2. the scale factor is x= 4.5 cm
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Step-by-step explanation:

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Write 39,005 in expanded form
Alexxandr [17]
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ludmilkaskok [199]

Answer:

5

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3 years ago
Triangle HIJ is dilated by a scale factor of 55 to form triangle H'I'J'. Side I'J' measures 7575. What is the measure of side IJ
kvasek [131]

Answer:

If triangle HIJ is dilated about the center of the triangle to create triangle H'I'J', dilated line A'B' will be parallel to AB.Option (D) is correct.

Given:

The options are as follows,

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(B). lie on the same line as AB.

(C). shift four units to the left.

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Step-by-step explanation:

If we dilate triangle HIJ then the dilated triangle  is bigger than the triangle HIJ.

The triangle HIJ is similar to triangle  to each other.

So the line  is parallel to side AB.

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