Answer:
the length of base triangle is 42cm
Answer: Yes, its right.
Step-by-step explanation:
1/2 / 6= 0.08333...
Salutations!
12

- 9

=
Then,
- 9

-

Next, our final answer:
=

= 2
Our decimal would be 2.916667
Hopefully This Helps!!!
B is the answer i hope it helps i