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Squares and Rectangles Videos 6 videos

Perimeter of a Rectangle
3862 Views

Rectangles just love to have perimeters. And we just love to measure them.

SAT Math 7.3 Geometry and Measurement
183 Views

SAT Math 7.3 Geometry and Measurement

SAT Math 9.4 Geometry and Measurement
184 Views

SAT Math 9.4 Geometry and Measurement

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SAT Math 10.1 Geometry and Measurement 327 Views


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Description:

SAT Math 10.1 Geometry and Measurement. How many cans of paint are needed?


Transcript

00:00

Hurry and here's your shmoop du jour brought to you

00:04

by square feet And you thought you had a tough

00:07

time finding shoes that fit All right Well a campaign

00:10

will cover sixty square feet How many cans of paint

00:13

do you need to buy Tow Have enough paint to

00:16

cover a wall Five feet three inches by thirty six

00:20

feet Six inches You got it All right Well after

00:25

we figure out the differences between eggshell and crew well

00:29

we need to figure out just how many square feet

00:31

of wall we need to cover All right Problem gives

00:34

the dimensions and feet and inches So we've got to

00:36

start by converting all of it in defeat Well we

00:39

know that there are twelve inches in a foot That

00:42

means five feet Three inches equals five point two five

00:45

feet and thirty six feet six inches equals thirty six

00:49

point five feet Now all we have to do to

00:51

get the square footage of our wall is multiply our

00:54

converted numbers together So we get five point two five

00:57

feet times thirty six point five feet equals one hundred

00:59

ninety one point six to five feet squared Great Now

01:03

Each paint can can wait Let's try that again Each

01:07

can of paint can cover sixty square feet so we

01:11

just divide a hundred eighty one point six to five

01:13

by sixty and we find that we'll be using three

01:16

point One nine three seven five cans of paint But

01:20

for our final answer we'll have to round that up

01:22

to four You got Apparently hardware store workers get grumpy

01:25

when you try to buy a fraction of a can

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