A new modern chair has the shape shown in the diagram. If the fabric store wants to put ribbon around the edge how much ribbon should they purchase (round to three decimal places if necessary)?
A) 18
B) 22.577
C) 25.313
D) 28
E) 29.313
The top and bottom sides = 7 each
The other two sides = 2sqrt (2^2 + 2^2) each
is it D
Not quite....calculate this :
2 (7) + 4sqrt (8)
IT'S C
Correct !!!