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4. The area of the square is 7840 units and the area of circle inscribed in it is 6160
square units. Find the area of the shaded region.
a) 1860 sq. unit
b) 1608 sq. unit
c) 1680 sq. unit
d) 1600 sq. unit
5. The area of the square gate is 361 sq. feet. What is the length of any side of
the gate?
a) 18 feet
b) 17 feet
c) 21 feet
d) 19 feet
