<span>Since it is isosceles, we know that the other base angle is also 40°
</span><span>Three interior angles of every triangle totals 180°
</span><span>x° + 80° = 180°
</span><span>x° = 100°</span>
Answer:
C :)
Step-by-step explanation:
Just did the assignment in edge.
23=7x
Divide both sides by 7
23/7=x
That is the only answer to this equation