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Quadrilaterals Videos 12 videos
These simple quadrilaterals are so cool that some people break the law just to measure them. We're guessing that homework problems will help you ge...
Rectangles just love to have perimeters. And we just love to measure them.
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
Full Transcript
- 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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