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0 votes
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in Mathematics by (71.3k points)

In Δ ABC and ΔDEF if mA = mD. mB = mE. AB = 2 cm, BC = 3 cm and DE = 6 cm, then what is EF in cm ? 

(A) 9 

(B) 7 

(C) 5 

(D) 3

1 Answer

+1 vote
by (76.4k points)
selected by
 
Best answer

The correct option is (A) 9

Explanation:

In ΔABC & ΔDEF 

 A =  D 

 B =  E 

so by AA similarity 

ΔABC ~ ΔDEF

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