## anonymous one year ago Find the perimeter of the square. A. 64 ft B. 32 ft C. 16 ft D. 8 ft

1. abb0t

The perimeter is just the sum of all sides. If you have a square of length 8, then you have 4 sides, that's 8 +8 + 8 +8

2. anonymous

|dw:1443013307207:dw|

3. anonymous

just do 2l+2w=P

4. anonymous

so 2(8)+2(8)=P or do l^2 8^2=P

5. anonymous

sry ignore the second half of that

6. anonymous

i was thinking area there...

7. anonymous

it's okay

8. abb0t

That's the formula for the perimeter of a rectangle, @jacobrocket173 and it is the same thing as I said: sum of all sides.

9. anonymous

or you can just do 4(8)=P...

10. anonymous

thanxs now Find the perimeter of a rectangle with l = 0.85 m and w = 0.4 m. A. 1.25 m B. 2.5 m C. 0.34 m D. 0.68 m

11. anonymous

rectangle

12. anonymous

2(0.85)+2(0.4)=P

13. anonymous

1.7+0.8=P

14. anonymous

1.7+0.8=P

15. abb0t

Same thing, draw out the rectangle. Which has 4 sides, so you know youre going ot be adding two of the same sides and 2 of other same sides. Use: $$\sf \color{blue}{2l + 2w}$$

16. anonymous

thanxs now What is the perimeter of the polygon? A. 18 in. B. 36 in. C. 54 in. D. 108 in.|dw:1443013742394:dw|

17. abb0t

the 2 comes from the fact that you have two sides of equal length. Remember that in a rectangle, two sides are the same. |dw:1443024607773:dw|

18. abb0t

Same for the polygon. PERIMETER just means $$\sf \color{red}{sum}$$ of all sides. Add up all the sides!

19. anonymous

HAHAHAHHAHAHHAA

20. abb0t

I've said this like 4 times already!

21. anonymous

3 times actually

22. anonymous

XD

23. anonymous

okay okay i got it

24. anonymous

wait last question :) What is the perimeter of the polygon? A. 18 in. B. 36 in. C. 54 in. D. 108 in.

25. anonymous

what are the measurements?

26. abb0t

Oh, c'mon! WHAT did I just say perimeter was?!

27. abb0t

28. anonymous

maybe its a circle...

29. anonymous

wait i have already ask that question i mean Which equation could be used to find the perimeter of a rectangle that has a width of 18 ft and a length of 24 ft? A. P = 18 · 24 B. P = 2 · 18 + 24 C. P = 2 · 18 + 2 · 24 D. P = 16 + 24

lol

31. anonymous

@jacobrocket173

32. anonymous

yea thanxs 2 u guys i just passed my 10th test

33. anonymous

yah, sry, was doing some art

34. abb0t

Perimeter of a circle is basically it's circumference.

35. abb0t

C = 2$$\sf \pi$$r = $$\pi$$d

36. anonymous

oh i was just saying that i passed my 10th test