Answer:
Second one
Step-by-step explanation:
- 27/40
MARK AS BRAINLIST
w = 4
L = 7
L = length of rectangle
w = width of rectangle
L = 3 + w
A = 28
A = L*w
=(3+w) * w
28 = 3w + w^2
w^2 + 3w - 28 = 0
w^2 + 7w - 4w - 28 = 0
w ( w + 7 ) - 4 ( w + 7 ) =0
( w - 4 ) ( w + 7 ) = 0
w = 4. and w = -7
take the postive value, w = 4
therefore L= 3+4 = 7
8.822. Hope this helps.
Explanation is in a file
bit.ly/3a8Nt8n
miles
