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Lelechka [254]
3 years ago
8

Find the area of a circle with a radius of 8.

Mathematics
2 answers:
Alenkinab [10]3 years ago
6 0

Answer:

200.96cm²

Step-by-step explanation:

<em><u>Given</u></em>

Radius of the circle =8cm

<em><u>To </u></em><em><u>Find</u></em>

area of the circle

<em><u>Formula </u></em><em><u>used</u></em>

<em>area </em><em>of </em><em>circle </em><em>=</em><em> </em><em> </em><em>π</em><em>r²</em>

<em><u>Solution</u></em>

area of circle = π r²

area of circle= π (8)²

area of circle = π64

as π =3.14

therefore

area of circle 64 x 3.14cm²

area of circle = 200.96cm2

Ostrovityanka [42]3 years ago
5 0

Answer:

201.06

Step-by-step explanation:

Area of a circle = pi x r^2

= 201.06

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Arc length

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Answer:

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3 years ago
What is the slope of the line perpendicular to y=-3x+4?
inessss [21]

The perpendicular line would have a slope of 1/3.

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To do the opposite, take the original slope (-3) and change the sign (3).

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7 0
4 years ago
Which must be true in order for the relationship △ZYV ~ △XWV to be correct?
tigry1 [53]

Hey there!

In order for two figures to be congruent, each named angle must correspond and be congruent to ONE other angle. If you have ZYV and XWV, Z must be congruent to X as they both show up first in the ordering.

This means...

∠Z≅∠X

∠Y≅∠W

∠V≅∠V

Our first answer option has to do with parallelism, which does not influence if certain angles are congruent or not.

For the second answer option, ∠Z is congruent to ∠X, not ∠Y, so it is incorrect.

For the third answer option, it shows that ∠Z would correspond to ∠V, but it does not, so it is also incorrect.

For D, ∠Z IS congruent to ∠X, and ∠W IS congruent to ∠Y

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I hope this helps!

3 0
3 years ago
Read 2 more answers
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