Question

If the measure of base angle ABC is 75°, what is m∠BAC?
A) 15°
B) 30°
C) 75°
D) 105°

Answer 1

b 
isos triangle means 2 sides are = 
Ignore the image most images are not to scale
one angle is 75 so another is 75. 75*2 =150
180-150 =30

Answer 2

the Answer is B

Step-by-step explanation: