KingofCupcakes153
KingofCupcakes153 KingofCupcakes153
  • 04-04-2019
  • Mathematics
contestada

The vertices of triangle ABC are A(2,3), B(–1,2), and C(3,1). If ΔDEF ∼ ΔABC and DE = 4AB, what is the length of EF? The answers are √10,√17,4√10,4√17

Respuesta :

Dlalex2316 Dlalex2316
  • 04-04-2019

EF = 4BC

BC = sqrt ((3-(-1)^2 +(1-2)^2)

=》 BC = sqrt (4^2 +(-1)^2) = sqrt17

=》 EF = 4BC = 4(sqrt 17)

Answer Link
simp4luffy
simp4luffy simp4luffy
  • 07-12-2020

Answer:

D. 4√17

Step-by-step explanation:

Answer Link

Otras preguntas

what is the sum of 7/10 and 6/100
Explain what is the same about two fractions that are like fractions
having troubles with inequalities.. 3.8x + 14.5 < 32
Explain what is the same about two fractions that are like fractions
which trinomial is equivalent to (3x-1)(x+4)
which trinomial is equivalent to (3x-1)(x+4)
which trinomial is equivalent to (3x-1)(x+4)
which trinomial is equivalent to (3x-1)(x+4)
Explain what is the same about two fractions that are like fractions
which trinomial is equivalent to (3x-1)(x+4)