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Mathematics 14 Online
harliii:

math help @vocaloid

harliii:

how do you do this

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harliii:

The measure of JGH = 42° and the measure of = 61°. What is the measure of ?

Vocaloid:

check your question again, some information is missing

Vocaloid:

"measure of __ = 61" and "what is the measure of __"?

harliii:

the arc length wont come up

Vocaloid:

can you try typing out what it says or taking a screenshot?

harliii:

im trying and I cant screenshot

Vocaloid:

as a hunch is it saying that <KFJ = 61?

harliii:

(symbol: ⌒) gh goes under that and then is (symbol: ⌒) then under otheto

harliii:

then under the other symbol is gfj srry the thing is messing up

harliii:

and yes it is say that

Vocaloid:

and is it asking for the measurement of KFH or KGH by any chance?

Vocaloid:

|dw:1525788278342:dw|

harliii:

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Vocaloid:

hm. this might take a moment.

harliii:

but the measurement answer is 215 I had just guess

Vocaloid:

yeah I'm stumped, I'm going to ask another math helper and see if she can get on ;;

harliii:

The measure of <abc=150. the length of the radius BA is 8. What is the are of the shaded, large sector? use 3.14 for

harliii:

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Vocaloid:

an entire circle is 360 so the angle of the shaded area = 360 - 150 = 210 area of a sector = (210/360) * area of the entire circle = (210/360) * (pi) * r^2 plug in 3.14 for pi and 8 for r

harliii:

do I divide 210 by 360 or 360 by 210

Vocaloid:

210/360 implies 210 divided by 360 since 210 is in the numerator

harliii:

alright

harliii:

we did it wrong

harliii:

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Vocaloid:

(210/360) * (pi) * r^2 is the same thing as (7/12)*64pi

harliii:

okay well the answer thzt I got was wrong

Vocaloid:

may I ask what you entered as your solution?

harliii:

29.31 that what I had got

Vocaloid:

(210/360) * (pi) * r^2 = (210/360) * (3.14) * (8)^2 = 117.23 not 29.31

harliii:

I had 8 * 2 instead of squared it

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