Answer:
Measure of BC = 10.
Step-by-step explanation:
This is an isosceles triangle because the 2 base angles are both 50 degrees.
So the 2 sloping sides AB and BC are also equal.
T=2
t^2=4
4-4=0
is that right?
This would be the term referred to as a line segment. I hope this helps!
3/10 is the simplest form and the equivalent decimal is 0.30