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Fantom [35]
3 years ago
15

How to find Surface Area & Volume of Cylinder??? please help......

Mathematics
2 answers:
AlladinOne [14]3 years ago
7 0

Answer:

A cylinder's volume is π r² h, and its surface area is 2π r h + 2π r².

m_a_m_a [10]3 years ago
4 0

Step-by-step explanation:

The volume of a cylinder=πr²h

The surface area of the cylinder = 2πr(r+h)

where, r = radius of the cylinder

and h= height of the cylinder

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PQ⊥PS , m∠QPR=7x−9, m∠RPS=4x+22<br> Find : m∠QPR
emmainna [20.7K]

Given:

It is given that,

PQ ⊥ PS and

∠QPR = 7x-9

∠RPS = 4x+22

To find the value of ∠QPR.

Formula

As per the given problem PR lies between PQ and PS,

So,

∠QPR+∠RPS = 90°

Now,

Putting the values of ∠RPS and ∠QPR we get,

7x-9+4x+22 = 90

or, 11x = 90-22+9

or, 11x = 77

or, x = \frac{77}{11}

or, x = 7

Substituting the value of x = 7 in ∠QPR we get,

∠QPR = 7(7)-9

or, ∠QPR = 40^\circ

Hence,

The value of ∠QPR is 40°.

3 0
3 years ago
Solve for the value of n.
dusya [7]

Answer:

3n-4= 44

3n=40

no u can solve

6 0
3 years ago
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Which of the following formulas, when evaluated using rational values for the variables, will result in an irrational number?
Lerok [7]

Answer:

a) The formula for the area of a circle  

Step-by-step explanation:

The formula for the area of a circle is  

A = πr²

π is an irrational number and, no matter what value you use for r, the area will be an irrational number,

b) is wrong. A = ½(a + b)h.  

c) is wrong. A = ½bh.

d) is wrong. A = bh.

All measurements are rational numbers, so the areas will be rational numbers.

8 0
3 years ago
13.
svetlana [45]
The answer is 2,596 so it would be C

7 0
3 years ago
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QOTD: What's 658x923? Do NOT use a calculator. Whoever, answers this correctly, I will give BRAINLIEST.
Helga [31]

Answer:

the awnser is 607,334 because when you multiply by 3 its the same like multipliying on

Step-by-step explanation:

8 0
3 years ago
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