Construction a Golden Rectangle

**handrawn** · 07 November 2018, 09:49 PM

Originally Posted by Acorn

I actually slipped in the Fibonacci Sequence through the sunflowers.

don't tell me... next up is the golden spiral

**Acorn** · 07 November 2018, 10:16 PM

Originally Posted by handrawn

don't tell me... next up is the golden spiral

Nope, only pink elephants:

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Acorn

**wizard509** · 08 November 2018, 05:27 PM

Originally Posted by Acorn

Nope, only pink elephants:

Acorn

Ha ha
H

**handrawn** · 08 November 2018, 06:16 PM

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**Acorn** · 08 November 2018, 07:54 PM

Originally Posted by handrawn

Cheers, your eye is half of the solution. If the elephant has a left eye squint as well, you have the complete answer!

Acorn

**wizard509** · 20 November 2018, 07:42 AM

Great challenge Acorn. I learned from this one. Here is a comparison of my eyeballed one to your correct one.

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**Acorn** · 20 November 2018, 02:45 PM

Originally Posted by wizard509

Great challenge Acorn. I learned from this one. Here is a comparison of my eyeballed one to your correct one.

Larry, thank you for your approach.
I have been trying to avoid math / maths and approximations but as an engineer myself, I appreciate there is always another way.
Unfortunately, your sums have gone awry as the final rectangle has a side ratio of 1.79::1. We need 1.618::1.

Earlier, handrawn suggested 1.6::1 was good enough.

A similar construction to your could map out a ratio of 1.6.
Thereafter just increase the width by 1% to achieve 1.616::1, accurate to 0.1%.