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Delvig [45]
3 years ago
8

Find the surface area of q cylinder.

Mathematics
1 answer:
pychu [463]3 years ago
5 0

Answer:

791.68

Step-by-step explanation:

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To obtain the area of a sector, what fraction is multiplied by the area of a circle (A = πr2)?
romanna [79]
Let r be a radius of a given circle and α be an angle, that corresponds to a sector.

The circle area is A=\pi r^2 and denote the sector area as A_1. 
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A_1=\dfrac{\alpha}{2\pi} \cdot A=\dfrac{\alpha}{2\pi} \cdot \pi r^2= \dfrac{r^2\alpha}{2}.

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If f(x) = x 2 + 1, find f(a + 1). a 2+ 2 a + 2 a 2 + 2 a 2+ a + 1
goblinko [34]

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Step-by-step explanation:

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2 years ago
Gina shows the steps she took to find the solution of the inequality below.
Leviafan [203]

Answer:

hello,2 th made from the wrong place.

because She should have distributed the -2 inside the parentheses.

the process should be like this;

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x= -4/-17

I hope you understand. There are errors in the first 2 parts of the question.

6 0
3 years ago
The measures of the three angles of a triangle are given. Find the value of x and state whether the triangle is acute, obtuse or
serious [3.7K]
I would say the answer is B x=55, acute
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3 years ago
In △ABC, GE=27 in. What is the length of BE¯¯¯¯¯? Enter your answer in the box. 81 in. An acute triangle A B C is drawn. E is th
mariarad [96]
Recall that the centroid of a triangle (the point where the three medians intersect) divides each median into parts in the ratio 2:1, with the centroid being twice as close to the midpoint of a side as it is to the opposite vertex.

Thus, the ratio of segment EG to segment BG is 1 : 2

Therefore, given that segment EG = 27 in, then segment BG = 2(27) = 54 in. and segment BE = 27 + 54 = 81 in.
5 0
3 years ago
Read 2 more answers
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