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jeyben [28]
3 years ago
7

PLEASE HURRY Find the measures of the numbered angle

Mathematics
1 answer:
Arte-miy333 [17]3 years ago
8 0

Answer:

  90°

Step-by-step explanation:

The sum of the arcs around the circle is ...

  2x +4x +4x +2x = 360°

  x = 360°/12 = 30°

The numbered angle is the average of the measures of the intercepted arcs, so is ...

  (4x +2x)/2 = 3x = 3(30°) = 90°

The numbered angle is 90°.

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5 0
4 years ago
The area of the square shown below is 15 square units. The length of each side is square root 15, using the formula A = s2, wher
BigorU [14]
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6 0
3 years ago
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rjkz [21]

Answer:

D. 102.6 in²

Step-by-step explanation:

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The area of the circle is 63.585 (a = πr², a = 3.14 × 4.5² - remember that the radius of a circle is half of the diameter)

Now, we can add these numbers together. 9 + 30 + 63.585 is 102.585 in² which is 102.6 in² rounded to 1 decimal place.

Hope this helps!

4 0
2 years ago
Read 2 more answers
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