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Rudiy27
3 years ago
8

Rafael was asked to construct a square inscribed in a circle. He drew a circle and a diameter of the circle. Describe how to com

plete his cinstruction. Then, complete the construction.​
Mathematics
1 answer:
Sergeeva-Olga [200]3 years ago
7 0

Answer:

The diameter of the circle must be equal to the diagonal of the square.

Step-by-step explanation:

In order to draw a square inscribed with in the circle, the diameter of the circle must be equal to the diagonal of the square.

a) Draw a circle with center O

b) Draw the diameter of the circle with end points A and B  

c) Draw perpendicular bisector of diameter AB intersecting the circle at point C and D

d) Now connect point A, B, C and D

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Answer:

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V(h) = (2/3)*π*x³   area of hemisphere   A(h)  =   (2/3)*π*x²

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Now A as fuction of x    

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Now we have the expression for A as function of x

A(x) =  3π*x² + 2π*x*h     A(x) = 3π*x² + 505  - (2/3)π*x³

Taking derivatives both sides

A´(x) =  6πx -  2πx²              A´(x) =  0         6x  - 2x²  = 0

x₁  =  0  we dismiss

6 - 2x = 0

x = 3     and   h = [505 - (2/3)* π*x³]/2* π*x

h  =  (505 - 18.84) / 6.28*3

h  = 23,8  ft

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