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2 years ago

11

A telephone pole is 15 meters tall and a pigeon is standing on the ground 8 meters from the pole. If the pigeon flies from where

it is standing to the top of the telephone pole, how far will it fly?

1 answer:

klio [65]2 years ago

8 0

Step-by-step explanation:

${a }^{2} + {b}^{2} = {c}^{2} \\ {15}^{2} + {8}^{2} = {c}^{2} \\ 225 + 64 = {c}^{2} \\ \sqrt{289} = {c}^{2} \\ 17 = c$

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<u><em>The picture of the question in the attached figure</em></u>

we know that

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To determine the total red area, we use the formula for area of the circle

$A=\pi r^{2}$

step 1

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$r=2/2=1\ unit$ ---> the radius is half the diameter

$A_1=\pi (1)^{2}=\pi\ units^2$

step 2

Find the Area of the 2nd white circle

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$A_2=\pi (2)^{2}=4\pi\ units^2$

step 3

Find the Area of the 3rd red circle

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step 4

Find the Area of the 4th white circle

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step 5

Find the Area of the 5th red circle

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$A=A_5-A_4+A_3-A_2+A_1$

substitute

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