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PSAT 1.3 Math Narrative Walkthrough. How many full packages of secret ingredient does the company have to buy to make one 50-gallon batch?
PSAT 1.1 Math Narrative Walkthrough. In how many hours will James and Steve meet?
PSAT 1.2 Math Narrative Walkthrough. Which graph represents the equation?
PSAT 1.33 Math Diagnostic 176 Views
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Description:
PSAT 1.33 Math Diagnostic. What is the approximate measure of arc AB in radians?
Transcript
- 00:00
Sorry And here's your shmoop du jour brought to you
- 00:04
by the hour to cleo monument that was erected to
- 00:08
celebrate the triumph of circles throughout history Something like that
- 00:13
What All right check out this figure Alright Circle ama
- 00:15
shone above what is the approximate measure of our a
Full Transcript
- 00:19
b in radiant and hear the potential answers So wait
- 00:24
Panic is setting in how we spoke to come up
- 00:26
with an answer when there are no numbers given in
- 00:28
the problem where have the number's gone Who's taken our
- 00:31
numbers Okay Sorry We had a bit of a freak
- 00:34
out moment But we just took a sip A warm
- 00:36
milk and it's calmed us somewhat The angle in the
- 00:39
diagram is labeled as forty five degrees Well boom There
- 00:42
we go Breathing normally again Really wish we would have
- 00:45
spotted that earlier Since the angle in the diagram is
- 00:48
a central angle In other words it originates in the
- 00:51
exact center of the circle We know that the intercepted
- 00:54
our baby has the same measure Forty five greece Hopefully
- 00:58
we also know that for all circles to pi radiance
- 01:00
is three hundred sixty degrees Do if we want to
- 01:03
Convert forty five degrees to radiant weaken Simply multiply it
- 01:07
by two pi and five by three sixty or if
- 01:09
you want to keep things simpler which we probably do
- 01:12
by both of those by two from the get go
- 01:14
since it'll cancel anyway then multiplied by pod and then
- 01:18
divide by one eighty Okay forty five times Five divided
- 01:20
by one Eighty comes out to a foul falling seven
- 01:23
eight five five which one round to the nearest hundredth
- 01:26
is point seven Nine Radio answer b If you have
- 01:30
any other questions please ask us soon visiting hours and 00:01:32.947 --> [endTime] in that team
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