The corresponding sides of δabc and δdef have equal lengths. the area of δabc is 4 square units, and the longest side of δdef is 5 units long. what is the area of δdef? 2 square units 4 square units 10 square units 20 square units

b

step-by-step explanation:

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)