Betsy wants to paint the walls of her bedroom. Her bedroom measures 8 ft. by 10 ft. and has 8 ft. ceilings. Not counting doors and windows, how many square feet of wall will Betsy need to paint?

288

Question

Betsy wants to paint the walls of her bedroom. Her bedroom measures 8 ft. by 10 ft. and has 8 ft. ceilings. Not counting doors and windows, how many square feet of wall will Betsy need to paint?
		
288<---my answer
		
80
		
128
		
160
The perimeter of a rectangle is four more than the area of the rectangle. Find the area of the rectangle, if its width is 1 cm.
		
0.5 cm^2
		
1 cm^2
		
8 cm^2
		
2 cm^2

directrix · Answer

I'll crank out #1 on paper and see what I get.

anonymous · Answer

ok

directrix · Answer

Do you think that the ceiling counts as a wall? I guess not. Did you include the ceiling area.

anonymous · Answer

i did this 2(8*10+8*8) and i got 288

directrix · Answer

I did (8 + 8 + 10 + 10) = 36 to get the perimeter of the base and then multiplied by 8 to get 288

directrix · Answer

@kittymeow101   I think we're good on this problem.

directrix · Answer

Now, to #2.

anonymous · Answer

ok wb the next one?

directrix · Answer

Did you get an answer on #2?

directrix · Answer

Perimeter is (x + x + 1 + 1) = ?

Area = x * 1 = x


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