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I need to make a net for a frustum. The following web page explains how to do it... http://www.analyzemath.com/Geometry/conical_frustum.html

I have tried but am unable to do this complicated, advanced (o.k basic) math.

In the following figure I have the values R,r and h.

R = 40

r = 35

h = 83

I need the values for x,y,t and H in the following figure so I can construct my net.

x = ?

y = ?

t = ?

H = ?

Can anyone please help me find x,y,t,H ?

I have tried but am unable to do this complicated, advanced (o.k basic) math.

In the following figure I have the values R,r and h.

R = 40

r = 35

h = 83

I need the values for x,y,t and H in the following figure so I can construct my net.

x = ?

y = ?

t = ?

H = ?

Can anyone please help me find x,y,t,H ?

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