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

07-12-2020

Answer:

D. 4√17

Step-by-step explanation:

Answer Link

Otras preguntas

40 points 3 questions !! From The Glass Mengerie. 1) In what ways is Jim different from the Wingfields 2) What does the end of the play say about Jim’s charact

Przyjrzyj siê zdjêciom a nastêpnie zapisz zgodnie z przyk³adem w jakiej formie wystepuj¹ przedstawione na ich rosliny okrytonasienne

If my final exam is worth 7% if my grade and I have an 89 in the class how much will that effect my grade, If I get an 80 on the final?

I need help please?!!):

how did wood frogs develop the ability to freeze themselves during the winter

How would Kareem be best able to achieve his dream job as a criminal investigator? 1Points A Kareem can work hard and take additional training while serving a

What does the expression oh beans mean?

Geometry question including parallel line

what's this symbol ( called?

A thermometer is used to measure__________. a) wind direction b) temperature c) air pressure d) wind speed