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4 years ago

How can u find the supplement of an angle for instance 123 degree angle

1 answer:

7 0

Supplementary angles = 180°

so to find the supplement of a 123° angle:

180 - 123 = 57°

hope this helps and have a great day :)

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Find the measure of an exterior angle of a regular polygon with 20 sides. Round to the nearest tenth ?

Lisa [10]

To find the interior angle, you use the formula ((n - 2) x 180) / n (where n is the number of sides).
So, ((20 - 2) x 180) / 20 = 162
To find the exterior angle, you merely take away the interior angle from 180.
180 - 162 = 18, so the exterior angle is 18 degrees

Another, easier, way is to just divide 360 by n. All exterior angles always add to 360. Thus, 360 / 20 = 18 degrees

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4 years ago

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Ession r' - (3+2)<br> (3 + 2)2 for 2 = 4.

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Answer:

Step-by-step explanation:

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3 years ago

Part 2: Use the information provided to write the standard form equation of each circle

Archy [21]

Answer:

The answer to your question is below

Step-by-step explanation:

- The Standard form of the equation is

(x - h)² + (y - k)² = r²

Center (8, -4) r = $\sqrt{118}$

-Substitution

(x - 8)² + (y + 4)² = $\sqrt{118}$ ²

-Result

(x - 8)² + (y + 4)² = 118

Center (-10, 9) r = $\sqrt{37}$

-Substitution

(x + 10)² + (y - 9)² = $\sqrt{37}$ ²

-Result

(x + 10)² + (y - 9)² = 37

6.-

Center (-8, 0) r = 6

-Substitution

(x + 8)² + (y - 0)² = (6)²

-Result

(x + 8)² + (y - 0)² = 36

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4 years ago

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What is a coterminal angles

navik [9.2K]

Answer: Coterminal Angles are angles who share the same initial side and terminal sides. Finding coterminal angles is as simple as adding or subtracting 360° or 2π to each angle, depending on whether the given angle is in degrees or radians.

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9. What is the solution to the<br> equation log4 (5x + 9) = 3?

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Answer:

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