Question

Allie is helping her parents paint the four exterior walls of the backyard shed. The length from the front to the back of the shed is 10 ft, the width across the front and back is 8 ft, and the height is 6 ft. The door opening on the front of the shed has a width of 55 1/2 in. and a height of 60 in.

what is the surface area to be painted?

Answer 1

Surface Area of a Rectangular Prism: 2 (wh + lw + lh)
So input the numbers in 2 ( 8(6) + 10(8) + 10(6)) so what is the total?

Answer 2

um one sec

Answer 3

248?

Answer 4

no try again the equation simplifies to 2 (48 + 80 +60)

Answer 5

oops i see what i did wrong

Answer 6

376?

Answer 7

correct! now to we have to get the are of the door so we will multiply 60 and 55 1/2.

Answer 8

area*

Answer 9

so i start with 60/1 right?

Answer 10

60 x 55.5=?

Answer 11

oh um 3330

Answer 12

ok i just confused myself hold on a sec

Answer 13

ok

Answer 14

ok ive got it the earler equation which is the surface area is in ft while the area of the doorshed is in inches so lets try turning the 3330 in into ft

Answer 15

ok

Answer 16

remember that 1 ft = 12 inches

Answer 17

3330 in = 277.5 ft i just used google XD is that ok?

Answer 18

yea its ok now subtract the surface area with the are of the door

Answer 19

area*

Answer 20

what was the area of the door again?

Answer 21

277.5 ft

Answer 22

wait so 3330 - 277.5?

Answer 23

exactly

Answer 24

no

Answer 25

wait what am i doing then

Answer 26

376-277.5 <--- subtracting the surface area with the area of the door

Answer 27

oh i forgot the surface area of the door sorry

Answer 28

its ok

Answer 29

98.5

Answer 30

exactly 98.5 ft or 1182 inches

Answer 31

yay i was right

Answer 32

Great Job! if ya need help in the future tag me or message me xD oh and please leave a shiny medal for me

Answer 33

ok lol