Geometry Part 20: Find the Diagonal of a Rectangular Room in Feet and Inches

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In this video, we use the Pythagorean Theorem to find the length of the diagonal of a rectangular room. The dimensions of the room are given in feet, but we want to give our answer in feet and inches. So, in the final step we must convert the decimal part of the answer from feet to inches. The exercises are taken from MyMathLab, and the textbook used is Mathematical Ideas by Miller, Heeren, and Hornsby.

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13 окт 2018

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Комментарии : 42

@emma-ie7fb Год назад

I'm so glad I came across this video. I'm building horse pens and needed to know my diagonal so I could keep everything squared as I put up my markers

@juliel7064 3 года назад

I'm nearly 60 and I need to remediate some math in order to finish my masters degree this was so well explained I very much appreciate it thank you

@MzMath 3 года назад

Thanks for watching! I appreciate the positive feedback. Best of luck with your degree!

@anniefarrugia8570 2 года назад

I really like your videos examples and explanations are always very clear.

@bmcrae8 5 лет назад

1) bmcrae 2) MGF1106 EFSC 3) The sides are called the legs of the right triangle . . . it doesn't matter which one you call A and which one you call B.

@ervindelva6868 2 года назад

MGF 1106-683 Great explanation on the diagonal of a rectangle, it helped me understand

@Co-gu4qb 4 года назад

Very good math teacher

@MzMath 4 года назад

Thanks for the positive feedback!

@lloydharry 3 года назад

great voice for a teacher, makes it easy to follow along.

@MzMath 3 года назад

Glad you think so!

@bronsonalec5047 3 года назад

i guess it is kinda off topic but do anyone know of a good site to stream new series online?

@allanlewis6274 3 года назад

@Bronson Alec Flixportal =)

@bronsonalec5047 3 года назад

@Allan Lewis thank you, I signed up and it seems to work :D I appreciate it !!

@allanlewis6274 3 года назад

@Bronson Alec Glad I could help =)

@KateAfia-bk3rj Месяц назад

How can we find the diagonal if the is one.

@handicappedtrucker 3 года назад

I am calculating round steel pipe for fencing, is this method used for that or is a different math equation used when the material is a pipe. 2 1/2 OD outside piping and 1 5/8 OD internal piping to create a rectangular square with the smaller pipe welded to form an X brace. I am building a gate for my client, just to help you imagine what I am asking. Thank you in advance for your help. IRL issue looking for help.

@MzMath 3 года назад

Interesting! Yes, the relationship is still the Pythagorean theorem although you will have to adjust for the thickness of the pipe and the way the pipes are welded, whether tapered at 35 degree cuts or fitted bluntly at a 90 degree angle. Good luck with your project and happy holidays!

@TanyaRadic 2 года назад

Then how do you get the reverse sq feet on the calculator. Like which buttons do you push?

@MzMath 2 года назад

Thanks for the question. The opposite of “squaring” a number is finding its “square root”. Most calculators have a squaring button which looks like x raised to the power of 2., and you’ll see the square root symbol above it. Then, to take the square root, you push the “2nd” button followed by the squaring button.

@1Ryantv 2 года назад

RyanTribulant MGF1106-683 The video helped me understand how and when to use Pythagorean Theorem to solve for the variables

@phacocataractdrlvkraju5 4 года назад

I am sorry, you calculated for a single Wall, how to calculate diagonal for room

@patrickgiles6903 2 года назад

Patrick Giles MGF1106-683 In this video I learned that you can find the diagonal of a room by using the pythagorean theorem. I find this crazy. Thank you for the help!

@DpatmurrayTravel 5 лет назад

Name: Desmond Murray Class: MGF1106 06Z Having to find the feet and Inches seemed difficult until you explained it. The formula a2 + b2 = c2 is a very simple method once you broke it down. Thank you.

@mdshahidislam3238 Месяц назад

2/no..22.203

@daniellescagz3394 2 года назад

Danielle Scaglione MGF1106-683 This video really helped me understand how to find c2 when given a2 and b2. and the steps to solving the equation.

@mwadhinaelastus8195 2 года назад

What are the diagonal of 26/18 please find me that

@MzMath Год назад

The length of a diagonal of a 26 by 18 rectangle is the square root of 26^2+18^2 which is the square root of 1000 which is 31.62 (approximately)

@arianaguillen9389 2 года назад

ariana agosto MGF1106 One thing I liked about the video is how there is a variety of different example that are shown and how to solve them. Especially ones that have been throwing me off like when there is two shapes on top of eachother.

@laurielles_lifestyle 2 года назад

Laurielle Dufreny MGF1106 683 I took away from this video how to find the length of a rectangle. The calculation is the easier part but remembering the dimensions is usually what I forget. Finding feet and inches does not seem so difficult when you explain it.

@victoriabusutil5145 2 года назад

VICTORIA BUSUTIL MGF1106-683 One thing I liked about the video was the fact that you put so many examples for us to really get a clear explanation of how to find a diagonal of a rectangular shape In feet and inches. if it wasn't for this video i swear i would have still been lost.