Question

Help needed please and thank you!

Answer 1

Did you study similar triangles?

Answer 2

that is what tiy should use to prove what you have to prove

Answer 3

Suppose that your triangle is ABC, and M and N where a parallel line to BC cuts AB and AC

Answer 4

Can you show that the triangles ABC and AMN are similar?

Answer 5

Great. Can you write the ratio of similarities ?

Answer 6

ratios

Answer 7

You do not to have numbers.
\[
\frac {AB}{AM}=?
\]

Answer 8

You do not need

Answer 9

\[
\frac {AB}{AM}=\frac{AC}{AN}=\frac{BC} {MN}
\]

Answer 10

The sides opposite to equal angles are proportional

Answer 11

in two similar triangles

Answer 12

Yes

Answer 13

try A/B and A/M

Answer 14

Why?

Answer 15

Do not worry about it

Answer 16

I think that this against to rules of this site

Answer 17

I have to pack. Tomorrow, I have to go a long driving trip

Answer 18

yup. that always hard around the holidays. well have a safe travels