How to Make an Arch (Calculating the Radius)

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In this video you'll learn how to find the radius to make any size arch. Using this method is the fastest and most accurate way to find the radius of a circle so you can make an arch. With only a couple simple steps you'll understand the Intersecting Chord Theorem and how the radius formula works so you never have to forget it again!!

Опубликовано:

27 июн 2024

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Комментарии : 43

@granthoglund7012 3 года назад

Thank you! This is the exact info I have been needing for years. No more laying out arcs hit and miss with strings and / or any round object that is close to what I need.

@thebuilditchannel8609 3 года назад

Awesome!! Glad it helped!!😁👍🏻

@jamesfox8930 Год назад

Quickest sub I've ever made. This is EXACTLY what I was looking for.

@thebuilditchannel8609 Год назад

Thank You!! Glad you liked it!!😁

@quilscott3176 8 месяцев назад

Whata mad lad thanks mate 😊

@kiwdwks 4 года назад

Awesome...thank you!

@billf7062 3 года назад

Thank you. You stepped that out in an orderly manner making the geometry relate to the formula. One thing though...last formula shown should have brackets [(W/2)^2/ H + H]/2 because “the order of operations” would change your intended result.

@danatavares2038 Год назад

Thanks. Well done

@FernandoDiaz-tc8yl Год назад

Good information thank you

@sambennett5441 2 месяца назад

Great breakdown, saved me from having to ask my smarty pants engineer wife. Only thing is at 6:30 it should divide everything by 2, not just H.

@tomasmorrissey7324 2 года назад

Thank u exactly what I wanted

@thebuilditchannel8609 2 года назад

Thanks glad you liked it!!

@tomasmorrissey7324 2 года назад

@@thebuilditchannel8609 really helped as I've t draw an arch for a garage door tomorrow could have used it two weeks ago for an entrance wall but we done it the old trial and error way 👍😎😎

@JacoxNovak 2 года назад

VERY NICE!

@thebuilditchannel8609 2 года назад

Thanks!!

@fahadhamid9495 2 года назад

Sir Really Thanks ,I am going to apply today on a site , Thanks a lot

@thebuilditchannel8609 2 года назад

Thanks, Glad you liked it!!😁👍🏻

@lisaln3987 3 года назад

Thanks I am making a curved railing for my porch. A friend suggested a template made out of card board but still doesn't seem right. So I decided to use math and with your help I'm confident it will turn out nicely! But now I'm having thoughts that this equation will take me to the edge of the porch floor. A1=4.5' AND A2=4.5'. B1 is from center of cord to edge of porch floor. B1=35" I really don't want railing at the edge. I would prefer railing to be back some. So, Im going to revise B1 to 32" and make my template out of plywood.

@thebuilditchannel8609 3 года назад

I’m assuming you already have a curve in your deck. The first step would be to chalk a line between the start and end of the curve, mark the center, measure from center to top of curve and find the radius to draw your arch. If you want to move the railing in a little shorten the arm your using to draw the arch but don’t change the original radius point.

@dcal7406 Год назад

Aweso E thank you

@REVNUMANEWBERN 5 месяцев назад

4:30 Is there ANYWHERE you can just get arch patterns in various sizes or a kit of a range of sizes like shown? I'm looking for a range of sizes to determine the different sizes of trees in my yard & the best fitting arch to fit against them to build off of

@thebuilditchannel8609 5 месяцев назад

Not that I’m aware of, but now you know how to make any size!!

@capecodwoody 2 года назад

Beautifully simple thank you my eyebrow Dormer thanks you

@thebuilditchannel8609 2 года назад

Thanks for watching, glad you liked it!!😁

@elronstar 3 года назад

Something practical to go with this waffle makes things easier to learn

@thebuilditchannel8609 3 года назад

Glad to hear it!!😁👍🏻

@uglyashelful 4 года назад

Did you really say "balls accurate". 🤣🤣🤣

@jackstevens1659 Год назад

can you tell me how to divide a circle into equal parts using a formula and explaining it?

@thebuilditchannel8609 Год назад

Thanks for watching, I’ll but that on the list of videos to make. 😁

@timpearce673 2 года назад

It's suggest fixing the equation when written out for proper order of operation, if you punch that into a calculator that takes full equations you'll get ( (W/2)^2 / H + H) / 2 If I use W = 72, H = 6, the correct result comes out at 111, but without the extra parenthesis it comes out to 219.

@mikej2029 2 года назад

Say the arch in your video is a door header. How do I find the angle to cut header and jamb to match?

@thebuilditchannel8609 2 года назад

The simplest way would probably be to lay it out on the floor and mark the angle.

@mikej2029 2 года назад

I was hoping you could give me a more exact way with square or angle finder. Your suggestion is what I was taught and only way I’ve seen.

@thebuilditchannel8609 2 года назад

@@mikej2029There is a formula to find the tangent angle of the curve but then you still have to mark it and that is easiest done with a level in the opening or laying it out Then you have to cut it which is also done easiest by lining it up with the blade and using a glide fence.