Question

In the figure, n || line BC.

What is m <1?

Answer 1

triangles add up to what angle ?

Answer 2

???

Answer 3

<1 +<2 + <3 = to what angle ??
in triangle 3 angles add up to what angle ??

Answer 4

im not really sure

Answer 5

@jim_thompson5910

Answer 6

okay in triangle all 3 interior angles add up to 180
<1 + <2 + <3 = 180

Answer 7

oh

Answer 8

are you there?

Answer 9

yep
\(\huge\color{green}{{\rm Alternate~ Interior }\rm~Angles}\)
the pairs of angles on opposite sides of the transversal
and bec of word "interior" which mean inside the two parallel lines
for example here a and e are alternate interior angles