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just olya [345]
2 years ago
7

HELP PLEASE!!!! what is the midpoint of (-5,-5) and (-1, -1)

Mathematics
2 answers:
Andreas93 [3]2 years ago
7 0
(-3,-3) is your answer please give brainliest!
RoseWind [281]2 years ago
6 0

Answer:

(-3,-3)

Step-by-step explanation:

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Step-by-step explanation:

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What radius of a circle is required to inscribe a regular hexagon with an area of 210.44 cm2 and an apothem of 7.794 cm
alekssr [168]
We know that

[area of a regular hexagon]=6*[area of one <span>equilateral triangle]
</span>210.44=6*[area of one equilateral triangle]
[area of one equilateral triangle]=210.44/6-----> 35.07 cm²

[area of one equilateral triangle]=b*h/2
h=7.794 cm
b=2*area/h------> b=2*35.07/7.794------>b= 9 cm

the length side of a regular hexagon is 9 cm
<span>applying the Pythagorean theorem
</span>r²=h²+(b/2)²------>r²=7.794²+(4.5)²------> r²=81--------> r=9 cm

<span>this last step was not necessary because the radius is equal to the hexagon side------> (remember the equilateral triangles)
</span>
the answer is
the radius is 9 cm
8 0
3 years ago
Determine the measure of an angle (in radians) that cuts off an arc length of 6.4 inches in a circle with a 6.4 inch radius.
serg [7]
1 radian
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2 years ago
PLEASE HELP!!!<br> I don't know how to do this...<br> (screenshots provided)
Mrac [35]

Answer:

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Step-by-step explanation:

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3 years ago
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