Question

In △DEF, what is the length of line segment DF?

Answer 1

126

63radical 2

42radical 3

21radical 3

Answer 2

it is very simple Sqrt(DE^2 + EF^2) pythogorean theorem since its a right angled triangle

Answer 3

63 sqrt of 2

Answer 4

can u help me mr. G lol

Answer 5

this is another special triangle, 30-60-90.

but lets use SOH-CAH-TOA

you familiar wid that ?

Answer 6

@catlover18

Answer 7

ok so what would that answer be ?

Answer 8

isnt 21 sqrt 3

Answer 9

thats not the answer for sure.

lets solve it... :) you familiar wid soh-cah-toa

Answer 10

yes

Answer 11

but good observations sqrt 3 will be there in the answer

Answer 12

on its 43 sqrt 3

Answer 13

42*

Answer 14

yep! you solve like this rest of the quesitons :

sin 60 = 63/DF

sqrt 3 / 2 = 63/DF

DF = 63* 2/sqrt 3

DF = 42 sqrt 3

Answer 15

good luck :)

Answer 16

i have another one u wanna help?

Answer 17

sure :)