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

Esteban has a big jar of change in his room. He has 600 coins total, and 240 of them are pennies. What percentage of the coins are pennies?

Phototropism is a _____ tropism involving _____. negative; gravity negative; touch positive; water positive; sunlight

True or false: during respiration as the throax moves up, the lungs move down?

How are hot spots used to track plate motion

William Byrd was known as a genius of what instrument?

if scientists identify an animal with bilateral symmetry and no segmentation which phylum can it definitely not belong to

Which sentence uses third-person point of view? a. I think the end of this story is a fantastic use of irony. b. The reader is left with a punch of irony in t

Difference between model and number line fraction

how do u know charmed life caitlin's lucky charm is fiction?

The volume of a triangular prism is half of the volume of a rectangular prism. TRUE OR FALSE?