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CAHSEE Math 2.1 Measurement and Geometry 175 Views


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Description:

Measurement and Geometry: Drill Set 2, Problem 1. How far is this distance in real life?

Language:
English Language

Transcript

00:03

Here's your shmoopy question du jour...

00:05

Leslie can make free throws all day from 1.5 cm away.

00:11

Unfortunately for her, this diagram of a basketball court is not life size.

00:16

A centimeter in the diagram is equivalent to 120 inches. 

00:21

If the distance from the free throw line to the front of the rim of the basket is

00:25

1.5 cm in the diagram, how far is this distance in real life?

00:31

And here are the potential answers...

00:36

OK, this question takes the standard conversion question one step further --

00:41

we have to convert drawing size... into two points.

00:44

Under pressure. Since the answers are all in feet, the only

00:48

thing we care about is feet...

00:50

...so since the question gives us that 1 centimeter is 120 INCHES...

00:54

...we have to just rethink it a bit so that 1 centimeter equals 10 feet.

00:59

Because there are 12 inches in a foot... or 120 inches in ten of 'em.

01:05

So to get the free throw distance we take 1.5 and multiply it by 10 feet...

01:10

which gets us 15 feet.

01:12

And the answer is C.

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