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wel
3 years ago
9

Hello,Can anybody give answer to this question.?

Mathematics
1 answer:
Alekssandra [29.7K]3 years ago
7 0
Because the perimeter passes through a given point find the radius by finding the distance between that point and the origin of (0,0)

distance = sqrt((x2-x1)^2 +(y2-y1)^2)
distance = sqrt (-4-0)^2 + 3-0)^2)

distance =  sqrt(16 +9)
distance = sqrt(25)
distance = 5
 the radius of the circle is 5

 the area of a circle = PI x r^2
 area = PI x 5^2
area = PI x 25

area = 25PI
 the answer is C







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Help me plss need help with theses three
fiasKO [112]
interior angle of a regular 18-gon.
It is easier to calculate the exterior angle of a regular polygon of n-sides (n-gon) by the relation
exterior angle = 360/n
For a 18-gon, n=18, so exterior angle = 360/18=20 °
The value of each interior angle is therefore the supplement, or
Interior angle = 180-20=160 degrees.

Naming of a 9-gon
A polygon with 9 vertices is called a nonagon (in English) or enneagon (French ennéagone, but the English version is sometimes used)
You had a good start with the correct answer.

Exterior angle of a 15-gon
The exterior angle of a 15-gon can be calculated using the relation given in the first paragraph, namely
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3 years ago
Find the slope of the line passing through the points (-6, 7) and (7, 7).<br> slope: 0
Free_Kalibri [48]

Answer:

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Step-by-step explanation:

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3 years ago
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dimulka [17.4K]

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2 years ago
It is estimated that approximately 10.5% of Americans are afflicted with diabetes. Suppose that a new diagnostic test is being c
Alla [95]

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0.03

Step-by-step explanation:

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     = 0.031325

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Step-by-step explanation:

7 0
3 years ago
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