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

What is the speed of sound in air at 50°F (in ft/s)?

How many moles of mgci2 are there in 318 g of the compound?

what can go in to 12 and 57??

14. Find the average of the 1000 whole numbers from 1 to 1000 inclusive. (A)499.5 (B) 500.0 (C) 500.5 (D) 501.0

What is the electoral college?

A 2 kg block is lifted vertically 2 m by a man What is work done by the man?

What is the value of x in the rhombus below?

Josh bought 800 plastic whistles to give away to the kids at a street fair. Some of the whistles were small and cost $0.50. The larger whistles cost $0.75. In t

Dr. Arrigan treats many clients with schizophrenia. Some of them function very well and are able to hold jobs and maintain social relationships. Others are most

a certain stock starts the day at $27 3/8 per share. if it drops $2 1/2 during the day what is it’s closing value