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Math 3: Area 50 Views
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Description:
If you want to replace that bit of carpet you just spilled ketchup on before your mom gets home, you might need to know a little something about measuring area.
Transcript
- 00:12
How to cover surfaces is something that all sorts of people worry
- 00:15
about from bakers trying to cover cakes with ice cream to members of hotel [a chef with a large cake and pink icing on top]
- 00:18
cleaning staff trying to cover bed with sheets especially as the hotel manager
- 00:22
insists on jumping on the beds all the time come on Bob get your life together
- 00:25
however something that could help you folks out is the concept of area it [an area on a birds-eye view of a town painted red]
Full Transcript
- 00:30
won't help Bob get his life together though poor, poor Bob anyway area is the
- 00:34
measure of the surface of an object or space for example let's take a look at [a large swimming pool]
- 00:38
this pool as you might know the pool perimeter is the distance around the
- 00:41
pool but the pools areas the entire surface of the pool aka where all the
- 00:45
water is in other words it's in the pools area that people tend to have the [people in a pool with sparklers]
- 00:49
most fun except all those folks you really enjoyed pacing around the
- 00:51
perimeter to each their own since area isn't a measure of length but rather of
- 00:56
surface area we measure it in square units for example we can measure our [a swimming pool and a large measuring ruler]
- 01:00
pool surface area in square feet we can think about its surface as being covered
- 01:04
by a big grid where each square represents one square foot don't worry
- 01:08
we'll take the grid out once it's time to swim treading water in a tiny box [a man stood in a pool with square grids]
- 01:11
isn't super fun when we say that each square represents a square foot what we mean
- 01:15
that each square is one foot long and one foot wide and if we count up all the [a grid depicting the square feet of a swimming pool]
- 01:19
squares will get the total area measured in square feet with its length of 20
- 01:23
feet and it's with the 15 feet this pool in particular has a total area of 300
- 01:28
square feet and sure counting squares might not be the most fun game you can [finger counting smiley faced squares in a swimming pool]
- 01:32
play in a pool but try and measure an area by playing Marco Polo yeah not so
- 01:37
easy is it
- 01:40
you
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