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2 years ago

6

Find the area of the regular 2424-gon with radius 1010 mm.

1 answer:

Mkey [24]2 years ago

6 0

Answer:

i got 32031.14

Step-by-step explanation:

the radious to the second power times pie

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A rotating light is located 20 feet from a wall. The light completes one rotation every 3 seconds. Find the rate at which the li

ss7ja [257]

Answer:

43.17 ft/s

Step-by-step explanation:

Let the height of the wall is y.

distance of wall from light is 20 feet.

$tan\theta =\frac{y}{20}$

y = 20 tanθ .... (1)

time period, T = 3 second

$\frac{d\theta}{dt}=\frac{2\pi}{3}$

Differentiate equation (1) with respect to t.

$\frac{dy}{dt}=20sec^{2}\theta\times \frac{d\theta}{dt}$

$\frac{dy}{dt}=20sec^{2}10\times \frac{2\pi}{3}$

dy/dt = 20 x 2.16

dy/dt = 43.17 ft/s

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3 years ago

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Vesnalui [34]

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3 years ago

What’s bigger -4 4/25 or -4.16

Rina8888 [55]

Answer:

they are equal

Step-by-step explanation:

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3 years ago

In triangle XYZ, m∠Z > m∠X + m∠Y. Which must be true about △XYZ?

MissTica

It must be an obtuse triangle

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3 years ago

pam cuts 75 inches of ribbon into 6 equally sized pieces with no ribbon left over whats the length in inches of each piece of ri

Elden [556K]

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12.5 inches? I think

Step-by-step explanation:

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3 years ago

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