The radius of a cylindrical construction pipe is 3.5 ft. If the pipe is 35 ft long, what is its volume?
1 answer:
Answer:
<em>Volume = 1346.275 </em>
Step-by-step explanation:
The radius of the pipe is <em>3.5 ft</em> and height is <em>35 ft.</em>
The volume of cylinder is found by the formula,
V = (π)(
(think about the formula as area of individual circles multiplied by the height of cylinder)
taking value of π as 3.14,
Where, the r = radius and h is height of cylinder.
inserting the above values,
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<em>V = 1346.275 </em>
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Step-by-step explanation:
We have been given that AE=BE and .
We can see that angle CEA is vertical angle of angle DEB, therefore, as vertical angles are congruent.
We can see in triangles CEA and DEF that two angles and included sides are congruent.
or
Therefore, by ASA postulate.
Since corresponding parts of congruent triangles are congruent, therefore CE must be congruent to DE.