Question

if ABC and DEF are 2 triangles and AB/DE= BC/FD, then the 2 triangles are similar if

a) A=F
b) B=D
c) A= D
d) B= E ​

Answer 1

∠B=∠D

Hope it helps you :)

Answer 2

Answer:

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Step-by-step explanation:

Given DEAB=FDBC 

Now if the angle made by both the sides of each triangle are equal to each other then triangle ΔABC and ΔDEF will become similar.

Hence ∠B should be equal to ∠D 

means ∠B=∠D