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Answer:
To nearest whole number, 71 square inch strips of dough will she need for the top.
Step-by-step explanation:
radius of pie = 8 in
area of pie =(22/7)(8*8) = 201.14286sq inch
for 35% of the pie that has been eaten = 35% of 201.14286 = 70.4sq inch have been eaten
It means that 70.4 square inch strips of dough will she need for the top.
To nearest whole number, 71 square inch strips of dough will she need for the top.