2a.
Since BC = 10m and M is the midpoint, we can find CM by : 10÷2 = 5m
So, CM = 5m
2b. Now, you have the base ( 5m) & hypotenuse (13m). Pythagoras' Theorem:

Where c is the hypotenuse, a & b are sides.

b here refers to the height.
2c.
Area of a right-angled triangle =

So,
Answer:
the fourth answer is correct
3(8+3)
You distribute the 3 to the 8 to get 24 and the 3 to the other 3 to get 9, which then equals 24+9, which was the original problem
Step-by-step explanation:
the filled in circles are for anything less than or equal to or greater than or equal to.
Answer:
Where is the triangle
Step-by-step explanation:
Answer: yes
Step-by-step explanation: