3 years ago

What shape are the cross sections of a sphere?

1 answer:

Zolol [24]3 years ago

3 0

The cross section of the sphere are CIRCLES. A sphere is a circle in its three dimensional form.

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krek1111 [17]

The formula of an area of a circle:

$A=\pi r^2$

We have R = 6mm and r = 5 mm.

Substitute:

$A_1=\pi(6^2)=36\pi\ mmm^2\\\\A_2=\pi(5^2)=25\pi\ mm^2$

The ratio:

$\dfrac{A_1}{A_2}=\dfrac{36\pi}{25\pi}=\dfrac{36}{25}$

<h3>Answer: 36 : 25</h3>

8 0

4 years ago

RUDIKE [14]

K= $\frac{3}{7}$ , $\frac{1}{5}$

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3 years ago

andrew-mc [135]

Answer:

a=40. b=140. c= 40

Step-by-step explanation:

b is congruent To 140 because of the vertical angles postulate that states two angles vertical from one another are congruent.

a is 40 because it is Supplementary to b Which means that the sum of a and b must add up to 180.

c is Congruent to a due to the vertical angles postulate

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4 years ago

Yanka [14]

U add 6 to every number each time
5,11,17,23,29,35,41,47,53,59,65,71,78,84,90,96,101,108
108 is the 18th term

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3 years ago

andrew11 [14]

Yes you can with graphs and tables

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3 years ago