The expression that can be used is 3.14 (6x4+6^2)
The surface area is 188.4
Ans) 70
Tell me if you need steps
(Am 100% sure with this answer)
Answer
Substitute w by 7
7^3
7x7x7 =343
First break= 1/2
second break = 1/2 of half= 1/4
third break = half of 1/4 = 1/8
forth break = 1/2 of 1/8 = 1/16
fifth break = 1/2 of 1/16 =1/32
fraction painted = 1 -1/32 =31/32
portion painted = 150*31/32 = 145.3125 ft^2
