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Sedaia [141]
2 years ago
15

Find the area of a circle with radius, r = 5.69m. Give your answer rounded to 2 DP.

Mathematics
1 answer:
olga2289 [7]2 years ago
3 0

Answer:

101.66

Step-by-step explanation:

area is pi times radius times radius

pi times 5.69 times 5.69 is 101.660954

please give me a brainliest!!!<3

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Jake leaned a 12-foot ladder against his house. If the Angle formed by the ladder and the ground is 68, how far from the base of
zhuklara [117]

Answer:

4.50\ ft

Step-by-step explanation:

see the attached figure to better understand the problem

In the right triangle ABC

cos(A)=\frac{AC}{AB} -----> the cosine is the adjacent side to angle A divided by the hypotenuse

substitute the values and solve for x

cos(68\°)=\frac{x}{12}

x=12*cos(68\°)=4.50\ ft

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3 years ago
A silo is a composite of a cylindrical tower with a cone for a roof. What is the volume of the silo if the radius of the base is
kirza4 [7]

Answer:

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Step-by-step explanation:

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The solution would look like V=1/3π×40²×10=16755

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