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Geometry and Measurement Videos 88 videos
SAT Math 1.1 Geometry and Measurement. What is the circumference of the circle?
SAT Math: Geometry and Measurement Drill 1, Problem 2. If A = (0, 4), B = (-3, 2), and C = (1, 0), which point is in the interior of angle ABC?
SAT Math 2.3 Geometry and Measurement. Find the length of AB.
SAT Math: Measuring Arc Length by Converting Radians to Degrees 2 Views
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Description:
∠ABC is a central angle that measures
radians. What fraction of the circumference is the arc
? Round to two decimal places.
Transcript
- 00:00
Yeah Whoa Okay I say team Ash jumpers Next up
- 00:05
We've got the circle in the ABC right there Sewing
- 00:08
let BC is a central angle that measures to pie
- 00:11
over three radiance What fraction of the circumference is the
- 00:15
ark A C distance from right here right here around
Full Transcript
- 00:18
two decimal places Imagine this circle is a pie Khun
- 00:25
B pumpkin or apple or pepperoni and go wild with
- 00:28
it to see how much pie crust is taken up
- 00:30
by a C first convert the radiance two degrees How
- 00:33
do we do that Well we got two pi over
- 00:35
three times hundred eighty degrees over pie and Well there
- 00:38
we go That gets us a hundred twenty degrees The
- 00:40
certain angle here is one hundred twenty degrees while the
- 00:43
entire circle measures three sixty right Well that ark is
- 00:47
one third of the whole circumference because well in California
- 00:51
one twenty is a third of three sixty The answer
- 00:53
needs to be rounded to two decimal places Like they
- 00:56
tell you that in the question there So the answer
- 00:59
is Ah let's point three three
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