Question

Calculate the length of AE given AB = 4 cm, AC =10 cm, and AD = 5.
A. 6 cm
B. 8 cm
C. 7 cm
D. 9 cm

Answer 1

@jim_thompson5910

Answer 2

@SmoothMath

Answer 3

@ybarrap

Answer 4

You'll need to set up an equation. Short segment * long segment = short segment * long segment.

Answer 5

oh wow I'm lost and i havent started Dx

Answer 6

alright then what after this?

Answer 7

Well really, the toughest part of this problem is setting up the equation. If you can do that, then it's basic algebra to get what you need.

Answer 8

So let's see you set up the equation for the problem you've got.

Answer 9

idk how to be honest Dx

Answer 10

ill just come back to this later on thanks though

Answer 11

Let me give you an example or two:

Answer 12

The setup in that first line is the hardest and most important part. Make sure you see how I got that.

Answer 13

oooh

Answer 14

I got 8 cm

Answer 15

@smoothmath is this right?

Answer 16

Another example:

Answer 17

thanks for the examples, did i get it right though? @smoothmath

Answer 18

Yes, 8 is correct =)
The setup is:
AB * AC = AD * AE
4*10 = 5*AE

Answer 19

yesss! c: