Please help me

- anonymous

Please help me

- katieb

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- anonymous

##### 1 Attachment

- anonymous

Part A: Describe how you can decompose this shape into triangles. (2 points)
Part B: What would be the area of each triangle? (5 points)
Part C: Using your answers above, determine the area of the table's surface. (3 points)

- anonymous

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## More answers

- anonymous

@myininaya could you help?

- myininaya

|dw:1438911344280:dw|

- myininaya

and i bet this is a regular polygon
that means all side lengths are equal

- myininaya

|dw:1438911426828:dw|

- myininaya

can you decompose this thingy into triangles

- anonymous

Yes you can decompose it into 6 triangles

- myininaya

so like this
by the way my polygon is horribly drawn
|dw:1438911736430:dw|
anyways each of these triangles is suppose to be the same shape as each other

- anonymous

Yes

- anonymous

it looks good

- myininaya

is we divide 12 by 2 what do we get

- anonymous

6

- myininaya

i mean if not is
but yes right

- myininaya

|dw:1438911861761:dw||dw:1438911866930:dw|

- myininaya

actually we didn't need that :p

- myininaya

|dw:1438911894424:dw|
what is the base of this triangle?

- myininaya

base length that is

- anonymous

10.4

- myininaya

well that is the height of triangle I tried to darken

- myininaya

what is the base length

- anonymous

12

- myininaya

perfect

- myininaya

do you know how to find the area of a triangle given its height is 10.4 and its base is in 12
and just pretend i put the units is inches for each of those :p

- anonymous

yes a=1/2* b*h

- myininaya

right
so .5*12*10.4 =?

- anonymous

i thought it was 1/2 * 10.4 *12?

- myininaya

it is I just didn't feel like writing a fraction
1/2 is the same as .5

- myininaya

they are the same number

- anonymous

oh so the answer is 62.4

- myininaya

yes earlier you told me you had 6 of those triangles though

- myininaya

so you could do
62.4+62.4+62.4+62.4+62.4+62.4
or just do 6(62.4)

- anonymous

374.4

- myininaya

|dw:1438912272702:dw|

- myininaya

yep

- myininaya

that is right

- myininaya

and just to be more concise
we are going to be in^2 at the end

- myininaya

area has units squared

- anonymous

so the area of the area of each triangle is 62.4?

- myininaya

well in^2

- myininaya

but yes

- anonymous

ok

- myininaya

not bad right?

- anonymous

honestly it seemed harder but you made it easier

- myininaya

i'm glad i could make things easier for ya

- myininaya

peace

- anonymous

Bye (: Thanks

- anonymous

I appreciate your help c:

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