The answer is b I hope this helps
Answer:
m∠A + m∠B = 155
Step-by-step explanation:
ABC is an isosceles triangle that has a 130° angle at vertex B
then
m∠A = (180 - 130)/2 = 50/2 = 25 = m∠C
then
m∠A = m∠C = 25°
Answer:
-4
Step-by-step explanation:
that is if +17 means Positive 17.
1. Is a right angle
2.is a obtuse.