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harkovskaia [24]
2 years ago
15

Find the surface area of a right cone with a radius of 3 meters and a slant height of 5 meters.

Mathematics
1 answer:
andre [41]2 years ago
7 0

The surface area of the right cone with a radius of 3 meters and a slant height of 5 meters is 47.1 m².

What is surface area?

To calculate the surface area of the cone, we use the formula below.

Formula:

  • A = πrl.............. Equation 1

Where:

  • A = Surface area of the cone
  • π = Pie
  • l = Slight Height

From the question,

Given:

  • l = 5 meters
  • r = 3 meters
  • π = 3.14

Substitute these values into equation 1

  • A = 3.14×5×3
  • A = 47.1 m²

Hence, The surface area of the right cone is 47.1 m².

Learn more about surface area here: brainly.com/question/76387

#SPJ1

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Can someone help me please ASAP
zmey [24]

Answer:

<h2>140°</h2>

solution,

Let <DEF= x°

<CDE= 2x°

<BAF= 90°

The sum of interior angle of hexagon= 720°

<A + <B + <C + <D + <E +<F = 720°

90 + 145 + 115 + 2x + x + 160 = 720 \\ 510 + 3x = 720 \\3x + 510 = 720 \\ 3x + 510 - 510 = 720 - 510 \\ 3x = 210 \\  \frac{3x}{x}  =  \frac{210}{3}  \\ x = 70 \: degree

Again,

< \: cde = 2x \\  \:  \:  \:  \:  \:   \:  \:  \:  \:  \:  \:  \:  = 2 \times 70 \\  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  = 140 \: degree

Hope this helps...

Good luck on your assignment..

4 0
3 years ago
-3(n+5)=-21what is ghe answer<br><br>​
charle [14.2K]
-3n-15=-21
-3n=-6
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6 0
3 years ago
Explore and review six different ways of classifying triangles.
yanalaym [24]

1)Obtuse Triangle: A triangle with one obtuse angle.

2)Acute Triangle: A triangle where all three angles are acute.

3)Equiangular Triangle: A triangle where all the angles are congruent.

4)Isosceles Triangle: A triangle with at least two congruent sides.

5)Equilateral Triangle: A triangle with three congruent sides

6 0
3 years ago
Im struggling to answer this question.
blsea [12.9K]

Answer:

35/100

Step-by-step explanation:

You have 12% of horses (10÷84=0.1190 and 0.1190 = 12%)

You have 54% of sheep (54÷84=0.535 and 0.535=54%)

Subtract the amount of Sheep and Horses for the total amount of animals

84-(10+54)

You have 35% of cows (29÷84=0.345 and 0.345=35%)

35% to a fraction is 35/100 (simplified version 7/20)

I hope this helps (:

8 0
3 years ago
Read 2 more answers
The probability that Caroline wins a raffle is given by the expression
RSB [31]

Answer:  \frac{n-m}{n}

This is the same as writing (n-m)/n

Don't forget about the parenthesis if you go with the second option.

==================================================

Explanation:

The probability that she wins is m/n, where m,n are placeholders for positive whole numbers.

For instance, m = 2 and n = 5 leads to m/n = 2/5. This would mean that out of n = 5 chances, she wins m = 2 times.

The probability of her not winning is 1 - (m/n). We subtract the probability of winning from 1 to get the probability of losing.

We could leave the answer like this, but your teacher says that the answer must be "in the form of a combined single fraction".

Doing a bit of algebra would have these steps

1 - \frac{m}{n}\\\\\frac{n}{n} - \frac{m}{n}\\\\\frac{n-m}{n}\\\\

and now the expression is one single fraction.

8 0
3 years ago
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