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PSAT 1.1 Reading Diagnostic
1006 Views

PSAT 1.1 Reading Diagnostic. The main purpose of the first two paragraphs is to...what?

PSAT 2.2 Reading Diagnostic
379 Views

PSAT 2.2 Reading Diagnostic. What is the main rhetorical effect of this phrase in the second paragraph?

PSAT 1.3 Writing Diagnostic
282 Views

PSAT 1.3 Writing Diagnostic. To make the paragraph most logical, sentence 2 in the second paragraph should be placed...where?

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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?

Language:
English Language

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

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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