Answer:

Step-by-step explanation:
bisects
and
.


Solve for m.
Subtract 3m from both sides.

Divide both sides by 3.

Calculate
.


Put m = 7.



Answer: false
Step-by-step explanation:
Answer:
No
Step-by-step explanation:
6^2+4^2=52
7^2=49
49 is not equal to 52, so no it is not a right triangle