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Schach [20]
3 years ago
13

How many sides does a regular polygon have if each of its interior angles is 140 degrees?

Mathematics
2 answers:
morpeh [17]3 years ago
8 0
I think the answer would be root
faltersainse [42]3 years ago
5 0
9 sides
Method 1: Since the interior angle 140 degrees, the supplement of this is the exterior angle and equal to 40 degrees. Hence the number of sides is 360/40 = 9 sides.
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2 years ago
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(2, -4) and (6,-10)<br> find the midpoint of the segment
asambeis [7]
The midpoint of the segment:
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5 0
3 years ago
Which one of the following is an ordered pair?
valentinak56 [21]

9514 1404 393

Answer:

  (c)  (0, 6)

Step-by-step explanation:

Conventionally, an "ordered pair" is a pair of items in parentheses, separated by a comma. The items don't have to be numbers. (0, 6) is an ordered pair.

__

<em>Comments on the other answer choices</em>

Curly braces are usually used as delimiters of a set, not an ordered pair.

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7 0
3 years ago
A UFO is coming in to pick up some test subjects. Their elevation above the ground is 60,000 feet. Their laser sights tell them
charle [14.2K]

Answer:

41.83°

Step-by-step explanation:

It is given that :

The vertical distance of the UFO from the ground = 60,000 feet

The diagonal distance of the landing area to the UFO = 90,000 feet

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$\sin \ \theta = \frac{\text{perpendicular distance}}{\text{hypotenus}}$

$\sin \ \theta = \frac{60,000}{90,000}$

$\sin \ \theta = \frac{2}{3}$

$\sin \ \theta = 0.667$

∴ $\theta = \sin^{-1 }(0.667)$

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3 0
3 years ago
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