B) How many paving stones, each of them 36 cm long and 25 cm wide will be required for paving a road 3 m wide surrounding a square grass plot of area 2304 m^2?

δabc ≅ δdcb by sas because

db ≅ ac . . given (side)

bc ≅ bc . . reflexive property (side)

∠dbc ≅ ∠ acb . . alternate interior angles where transversal bc crosses parallel lines bd and ac (included angle)

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