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Fittoniya [83]
3 years ago
13

PLLLLEEEAAAASSSSSEEEE HELP!

Mathematics
1 answer:
Lana71 [14]3 years ago
8 0

Answer:

see explanation

Step-by-step explanation:

The length of the arc is calculated as

arc = circumference of circle × fraction of circle

      = 2πr × \frac{90}{360} ← r = 1

      = 2π × \frac{1}{4} = \frac{\pi }{2} ≈ \frac{3.14}{2} = 1.57

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marin [14]

\large \mathfrak{Solution : }

As we know :

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by using the above relation we can say :

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6 0
3 years ago
Perpendicular lines intersect to form four right angles. never always sometimes
natima [27]

Answer:

Always

Step-by-step explanation:

The definition of a perpendicular line is that it intersects another at a 90 degree angle. Using this, by verticals, the opposite corner angle must also be 90-degrees, and since one side of a line is 180 degrees, 180-90 = 90, which ensure the rest of the angles will be 90 degrees too.

3 0
4 years ago
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Anyone have a answer to this problem?
Verizon [17]
The triangle is acute because the <span><span>triangle  has all angles less than 90° !
</span>The right answer is D !</span>
4 0
3 years ago
there are 7 yellow marbles and 10 orange marbles in a bag you randomly choose one of the marbles what is the possibilty of choos
densk [106]

Answer:

probability; ( of choosing a yellow marble)

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Hope this helps

4 0
3 years ago
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Step-by-step explanation:

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