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Gala2k [10]
3 years ago
7

A cone is 6 cm in height and its vertical angle is 54° calculate the radius of its base.

Mathematics
1 answer:
Romashka [77]3 years ago
8 0

Answer:

7cm

Step-by-step explanation:

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A circle has a circumference of 44m. What
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<h3>Answer: B. 154 square meters</h3>

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

Work Shown:

C = 44 is the circumference

in general, the circumference of a circle is

C = 2*pi*r

Plug in C = 44 and solve for r.

C = 2*pi*r

44 = 2*pi*r

2*pi*r = 44

r = 44/(2pi)

r = 7.0028175 which is approximate

--------------------

Now plug this into the formula for the area of a circle

A = pi*r^2

A = pi*(7.0028175)^2

A = 154.061985

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The answer should be 74% probability

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Step-by-step explanation:

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