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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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