gabbyalicorn
  • gabbyalicorn
What is the perimeter of the figure to the nearest hundredth of an inch? A. 68.24 inches B. 43.12 inches C. 38.56 inches D. 26 inches
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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jamiebookeater
  • jamiebookeater
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gabbyalicorn
  • gabbyalicorn
posting pic right now...
gabbyalicorn
  • gabbyalicorn
1 Attachment
triciaal
  • triciaal
add the lengths all around the figure

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More answers

gabbyalicorn
  • gabbyalicorn
34
triciaal
  • triciaal
|dw:1433136112597:dw|
anonymous
  • anonymous
what do you think the answer is? @gabbyalicorn
triciaal
  • triciaal
|dw:1433136200589:dw|
gabbyalicorn
  • gabbyalicorn
so... -3- i think the first 1 is 25.12 and then the second one is 94.2
anonymous
  • anonymous
to find the circumference of the circle, divide it by two since it is a half circle then add the perimeter of the rectangle like @triciaal is showing you
triciaal
  • triciaal
stop and think the answer to 2 decimal places
anonymous
  • anonymous
if i am right because i am kind of having trouble a little lol
gabbyalicorn
  • gabbyalicorn
so 47.1 i divided 94.2 by 2
gabbyalicorn
  • gabbyalicorn
its close 2 b
triciaal
  • triciaal
@YoungTrilogyFT3 correct explanation minor adjustment only 3 sides of the rectangle and add the semicircle
gabbyalicorn
  • gabbyalicorn
I still dont get it
gabbyalicorn
  • gabbyalicorn
@geerky42 @MonKiwi @UsukiDoll
triciaal
  • triciaal
it is very rude to tag other people when you are being helped instead of saying what you need more help with.
gabbyalicorn
  • gabbyalicorn
Oh, sorry. :( i did not know it would offend you @triciaal
gabbyalicorn
  • gabbyalicorn
but you are right... forgive me
geerky42
  • geerky42
Your goal is to find length of that red line.|dw:1433133208001:dw|
geerky42
  • geerky42
You can do so by "split" line into sommething like this:|dw:1433133292825:dw|
geerky42
  • geerky42
then you only have to calculate perimeter of semicircle then add side length of that rectangle.
gabbyalicorn
  • gabbyalicorn
is there a way to check it like for ex (just making this up) 68.24 - 47.1 or something like that?
geerky42
  • geerky42
Not that I know of.
gabbyalicorn
  • gabbyalicorn
Okay.
gabbyalicorn
  • gabbyalicorn
well the semi-circle is 34
gabbyalicorn
  • gabbyalicorn
wait no thats for the rectangle
geerky42
  • geerky42
Well, so what I said, is it clear? can you find total perimeter now?|dw:1433133488047:dw|
geerky42
  • geerky42
First, what is perimeter of semicircle with radius 4?
gabbyalicorn
  • gabbyalicorn
8?
geerky42
  • geerky42
How?
gabbyalicorn
  • gabbyalicorn
|dw:1433133602296:dw|
geerky42
  • geerky42
I said perimeter of semicircle
geerky42
  • geerky42
|dw:1433133652499:dw|
gabbyalicorn
  • gabbyalicorn
|dw:1433133676207:dw|
geerky42
  • geerky42
Do you know how to do that?
gabbyalicorn
  • gabbyalicorn
no, im still confused
geerky42
  • geerky42
it's half the circumference
geerky42
  • geerky42
Right?
geerky42
  • geerky42
And you know that \(C = 2\pi r\) So half circumference would be \(\dfrac{C}{2} = \pi r\)
geerky42
  • geerky42
Here, we have radius of 4, so what's half the circumference?
gabbyalicorn
  • gabbyalicorn
12.56
gabbyalicorn
  • gabbyalicorn
what i did wad 2 x 3.14 x 4 divided by 2
geerky42
  • geerky42
Yep. |dw:1433133891727:dw| Now what about rectangle sides?|dw:1433133936113:dw|
gabbyalicorn
  • gabbyalicorn
9+8+9= 26 so then im guessing to do \[12.56 \div 26\]
geerky42
  • geerky42
Why divide?
gabbyalicorn
  • gabbyalicorn
I have no clue, im just trying to figure out what operation. so if its not division its multipulcation am i right?
geerky42
  • geerky42
You have 2 apples and you have other three apple. To find total apple, you don't do division, right? You would use addition.
gabbyalicorn
  • gabbyalicorn
you're right I just multiplied and the answer was way off.
gabbyalicorn
  • gabbyalicorn
38.56
gabbyalicorn
  • gabbyalicorn
omg C
gabbyalicorn
  • gabbyalicorn
:DDD hazaaa!
geerky42
  • geerky42
|dw:1433134238968:dw|
gabbyalicorn
  • gabbyalicorn
Thank you thank you thank you so much! @geerky42 and @triciaal im sorry it took me a while
geerky42
  • geerky42
It's cool, and welcome!
gabbyalicorn
  • gabbyalicorn
You never gave up on me :D

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