Question

Calculate the perimeter of < DEF
a. 39.28
b. 40.32
c. 45.82
d. 72

Answer 1

@apoorvk

Answer 2

Where might the angle be? I can't see one.. :/

Answer 3

ima put the picture right now

Answer 4

Yeah, attach it and Imma help ya out.

Answer 5

both are similiar triangles and isosceles triangles.
AC/BC = DF/EF. when you get EF, u get DE

Answer 6

Well do you realise that the triangles are similar triangles?

Answer 7

yea thank u guys. i understand now