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Galina-37 [17]
3 years ago
7

What is the lateral surface area of a cone with radius 19 cm and slant height 11 cm?

Mathematics
1 answer:
gizmo_the_mogwai [7]3 years ago
8 0

Answer:

About 1310.469 cm³

Step-by-step explanation:

The formula is \pi r\sqrt{h^2+r^2}=\pi\cdot19\cdot\sqrt{11^2+19^2}\approx1310.46973

Hope this helps, and PM me with any more questions!

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Which line is parallel to a line that has a slope of 3 and a y-intercept at (0, 0)?
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Read 2 more answers
1+4=5<br> 2+5=12<br> 3+6=21<br> 8+11=?
MariettaO [177]
Oh, I SEE what da pattern is! =D
You see, like in this problem:
2 + 5 = 12
They did 5 times 2 = 10, plus da 2 in da problem = 12.
Same with 3 + 6 = 21, 6 times 3 = 18, 18 plus da 3 given in da problem = 21.
Just like 1 + 4 = 5, 4 times 1 = 4, plus da 1 in da problem = 5.
SO,
with that strategy, 8 +11 = 96, because 8 times 11 = 88, plus da 8 given in da problem = 96.
I hope I helped! =D
6 0
3 years ago
Can someone explain the steps to solve number two?
Vlada [557]
Ok so first you would create a proportion.
8/x=4/1. Next you cross multiply and divide,
1 • 8÷4=x. Ratios are fractions with the first number being the numerator and the second being the denominator. If you think of it this way, you just find an equivalent fraction. Your answer would be 8:2 because in your proportion x=2.
7 0
3 years ago
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