thesuaveegg thesuaveegg

19-04-2018
Mathematics

contestada

16. In the figure below, ΔABC is similar to ΔDEF.

Find the length of EF.
A. 10
B. 12
C. 18
D. 21

16 In the figure below ΔABC is similar to ΔDEF Find the length of EF A 10 B 12 C 18 D 21 class=

Respuesta :

innocentboy544 innocentboy544

19-04-2018

(x+2)/(2x+1) =4/7
7*(x+2)=4*(2x+1)
7x+14=8x+4
14 - 4=8x - 7x
10= x

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