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Schach [20]
1 year ago
6

Find the surface area of a cylinder with height of 8 feet and base diameter of 6 feet

Mathematics
2 answers:
Minchanka [31]1 year ago
5 0
The answer is A≈207.35ft²
PSYCHO15rus [73]1 year ago
5 0

Answer:

66\pi ft²

Step-by-step explanation:

First find the area of the rectangle surrounding the cylinder.

Since the base diameter is 6 feet, the circumference =\pi d=6\pi.

Since the height is 8 feet, the area of the rectangle is 6\pi\times8 or 48\pi

Now the area of the base circle =\pi r^2 = \pi\times\frac{1}{4}d^2=9\pi

There are 2 base circles, so 9\pi\times2=18\pi

Surface area = 18\pi+48\pi=66\pi ft²

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2 years ago
A forestal station receives the locations of two fires, one of them in a forest located 11 Km heading N69°W from the station. Th
loris [4]

Answer:

  30.7 km

Step-by-step explanation:

The distance between the two fires can be found using the Law of Cosines. For ΔABC in which sides 'a' and 'b' are given, along with angle C, the third side is ...

  c = √(a² +b² -2ab·cos(C))

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and the distance is ...

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8 0
2 years ago
So difficult!!! Someone help
Naya [18.7K]
When two lines cross like this, sum of measures of opposite angles is 180.
this means that:
measure angle AEC + measure angle BED = 180
4x-40 + x+50 = 180
5x +10 = 180
5x = 170
x = 34
therefore:
measure angle AEC = 4x-40 = 4(34)-40 = 96
measure angle BED = x+50 = 34+50 = 84
5 0
3 years ago
The Blazers hockey team has won 7 of its first 12 games.
Step2247 [10]

Answer:

The Rockets' team has the better record.

Step-by-step explanation:

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  • The Rockets' team has played 8 games but they won only 5 out of the 8 games, so that means that they loss the other 3 games. So that makes the Rockets' record 5 wins and 3 losses.

  • So, the Rockets' team has the better record because they loss less games than the Blazers team did.
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