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Mathematics 15 Online
OpenStudy (selena2345):

A box is in the shape of a square of sides 32 cm. What is its hypotenuse ?

OpenStudy (selena2345):

@ShadowLegendX

OpenStudy (shadowlegendx):

Well if a box was cut from one corner to the other...right down the middle in a straight line, what would it be then?

OpenStudy (selena2345):

a rectangle @ShadowLegendX

OpenStudy (shadowlegendx):

It was cut from corner to corner, not side to side. Heres a drawing: |dw:1400288308080:dw|

OpenStudy (selena2345):

a triangle

OpenStudy (shadowlegendx):

*two triangles, but we only need one to find the hypotenuse

OpenStudy (shadowlegendx):

Oh and it might be easier to see it this way = |dw:1400288414737:dw|

OpenStudy (shadowlegendx):

So lets grab the bottom triangle: |dw:1400288444699:dw]

OpenStudy (shadowlegendx):

Hmm

OpenStudy (shadowlegendx):

So we know that two sides are 32cm, but what is the hypotenuse? |dw:1400288535597:dw|

OpenStudy (shadowlegendx):

Use the Pyth Ther to solve this

OpenStudy (selena2345):

a is 32 squared

OpenStudy (selena2345):

@ShadowLegendX

OpenStudy (shadowlegendx):

yes

OpenStudy (selena2345):

what is b

OpenStudy (selena2345):

@ShadowLegendX

OpenStudy (shadowlegendx):

so is B as this triangle was taken from a square where all sides are equal

OpenStudy (selena2345):

so is it 32

OpenStudy (shadowlegendx):

But the hypotenuse is not a side so it isn't 32

OpenStudy (selena2345):

what is b

OpenStudy (selena2345):

c is the hypotenuse

OpenStudy (shadowlegendx):

Yes

OpenStudy (shadowlegendx):

\[A = 32^{2}\]

OpenStudy (shadowlegendx):

\[B = 32^{2}\]

OpenStudy (shadowlegendx):

\[C = ? \]

OpenStudy (shadowlegendx):

Now use the Pythagorean Theorem \[A ^{2} + B ^{2} = C ^{2}\]

OpenStudy (selena2345):

is the answer 45.3 ? @ShadowLegendX

OpenStudy (shadowlegendx):

@Selena2345 what are the choices for this question?

OpenStudy (selena2345):

there are no choices

OpenStudy (shadowlegendx):

Are you taking this test online or on paper?

OpenStudy (selena2345):

worksheet

OpenStudy (shadowlegendx):

Ok so did they have a multiple choice for this question or do you have to explain it(write it out) ?

OpenStudy (selena2345):

i am giving you the link its the first page when you open it

OpenStudy (selena2345):

the last question #10

OpenStudy (shadowlegendx):

ok

OpenStudy (selena2345):

@ShadowLegendX

OpenStudy (selena2345):

http://www.mathworksheetsland.com/8/1grade8-24.pdf

OpenStudy (selena2345):

its the first page question #10

OpenStudy (selena2345):

@ShadowLegendX

OpenStudy (selena2345):

did you click on it ? @ShadowLegendX

OpenStudy (shadowlegendx):

Yes I saw

OpenStudy (selena2345):

did you see number 10 ? @ShadowLegendX

OpenStudy (shadowlegendx):

Yes I did

OpenStudy (selena2345):

is the answer 45.3 ?

OpenStudy (selena2345):

@ShadowLegendX

OpenStudy (shadowlegendx):

The answer is 45.2548

OpenStudy (shadowlegendx):

But we would round this answer to the nearest tenth, so 45.3 :)

OpenStudy (selena2345):

i am right @ShadowLegendX

OpenStudy (shadowlegendx):

Good Job @Selena2345 !!! ^-^

OpenStudy (selena2345):

:)

OpenStudy (selena2345):

thank you @ShadowLegendX

OpenStudy (shadowlegendx):

No Problem Selena, glad I could help :)

OpenStudy (selena2345):

can you make sure question #3 for me ? @ShadowLegendX

OpenStudy (selena2345):

i am confused with that @ShadowLegendX

OpenStudy (selena2345):

can you help me with question #3? @ShadowLegendX

OpenStudy (selena2345):

please

OpenStudy (shadowlegendx):

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