Answer:
x=71 degrees
Step-by-step explanation:
it is a isosceles triangle so the blank angle is also x
angles of a triangle add up to 180
180=38+2x
2x=142
x=71
The answer is b or the second choice available
Answer:
<1 + <2 = 180
Step-by-step explanation:
Looking at the diagram
<1+<2 forms a straight line so they add to 180 degrees
<1 + <2 = 180