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sp2606 [1]
3 years ago
7

The sum of all lengths of polygon

Mathematics
1 answer:
alexdok [17]3 years ago
8 0
I think the answer is The perimeter!
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What is the area of this figure?
KatRina [158]
Hi!

I have attached 2 images that should help you understand :)

First, look at the edits I made to the image you posted. I separated the shape into smaller shapes so that we can find the area of each individual one. 

Let's start with the rectangle.

To find the area of a rectangle, multiply the width times the height. 
10 · 4 = 40

Rectangle = 40cm

Next up, the red triangles.

I have included another image showing the triangles combined into rectangles. So we can find the area of the triangles just like we would rectangles!

(let me know if you don't understand how I found the width + height of the triangles)

5 · 10 = 50

Red triangles = 50cm

And finally, the green triangles.

8 · 7 = 56

Green triangles = 56cm

Add it all together and you get...

40 + 50 + 56 = 146

The answer to the question is 146cm.

Next time you are having trouble with something like this, picture the triangles as rectangles! :)

3 0
2 years ago
Simplificando a expressão (3x^2 + 5x - 2) + (x^2 - 2x - 1) , vamos obter :
Artist 52 [7]
You have to add all the common terms together.

7 0
3 years ago
A car travels at an average speed of 56 miles per hour. How many miles does it travel in 4 hours and 15 minutes?
ivolga24 [154]
56*(4+15/60)

56*(240+15)/60

56*(255)/60

238 miles


8 0
2 years ago
Read 2 more answers
Molly has a jar containing 4 yellow, 3 blue, 3 green, and 2 orange marbles
NeTakaya

Answer: .111 with a bar notation over the last 1 or 11.1%

Step-by-step explanation:

There are 12 marbles in total. There are 4 yellow marbles. Therefore there is a 4/12 probability of Randomly picking a Yellow marble the first time . Since she placed the marble back, there is a 4/12 probability of getting a yellow marble the 2nd time.

(4/12)(4/12) = 16/144 = 1/9 = .111 with a bar notation over the last 1 or 11.1% (about 11%)

6 0
3 years ago
Is 40 a multiple or a factor
gladu [14]
Hey there!
It can be both. It's a multiple of 8 because 8 times 5 is 40, but it's also a factor of 120 because 80 times 3 is 120.
Hope this helps!
5 0
2 years ago
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