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adelina 88 [10]
3 years ago
9

Does anybody know a website that can help me study for a geometry exam on proofs? My class gave be the information, I just don't

really understand it.
Mathematics
1 answer:
pshichka [43]3 years ago
5 0
I would try Khan Academy.  He does very good explainations
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A cone has a lateral area 100 pi and total surface area 136 pi. Find its radius.
cupoosta [38]

Answer:

Radius of the cone is 6 unit.

Step-by-step explanation:

Given:

Lateral Surface Area of Cone, LSA = 100π unit²

Total Surface Area of cone, TSA = 136π unit²

Let, r be the radius of cone.

According to the question,

Total Surface area = lateral surface area + Area of circle

136π = 100π + πr²

πr² = 36π

r² = 36

r = 6

Therefore, Radius of the cone is 6 unit.

4 0
3 years ago
4 cubed 2 divided by 4
maksim [4K]

Answer: 32

Step-by-step explanation:

4 cubed 2 divided by 4

Simply is

4 to the power 3 multiplied by 2 divided by 4

4*4*4*2/4

128/4= 32

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3 years ago
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It takes lily 3.72 seconds
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3 years ago
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FrozenT [24]

13/3?

I think it is but so you put 13/3 into a proper fraction so 4 1/3

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ohaa [14]

Answer:

A

Step-by-step explanation:

2.34 divided by 6 so then that gives you o.39

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