In the straightedge and compass construction of the equilateral triangle
below, which of the following reasons can you use to prove that ab and ac
are congruent?
a. ac and bc are both radii of oa.
o o
b. ac and ab are both radii of oa.
ab and bc are both radii of oa.
o
d. ac and ab are both chords of
a.
< previous

i belive those are the ones that are under 90 degreese.

what are you doing do you need examples of variable questions?

step-by-step explanation:

5a-1=9               bring the one over the =

5a=10                     divide by your variable

a=2

brainliest? ?

here try this one

3a-24=0

your answer is  

d.

196.5 m2

step-by-step explanation: