The first one, A..................
The formula to find the perimeter of a rectangle is:
P = 2(l + w)
plug in your known values to solve for the unknown
20 = 2(l + 3)
20 = 2l + 6
14 = 2l
14/2 = l
7 = l or l = 7
you can check this by plugging your l value into the equation
P = 2(l + w)
20 = 2(7 + 3)
20 = 2(10)
20 = 20
hope this helps :)
Answer:
64c²
Step-by-step explanation:
to find this answer you had to two edges together in order to get the surface area.
8×8=64
Answer:
1 whole mile
Step-by-step explanation:
If he walked 1/4th of a mile away from his house.. and ended up 1/4th of the way closer to his school the distance would have to be a full mile between the two
