Answer:
Step-by-step explanation:

I’m kind of confused because we need the total of people in the family. But from what I understand no it not unusual because the changes of being boys is 51%.
Step one: 200-87.96=112.04
Step two: 112.04÷30≈3.7
Step three: 3.7↔3
Answer: Staci can buy 3 shirts
Perpendicular bisectors of the sides of triangles are used to draw the circle that passes through corners of the triangle.
Gien that perpendicular bisectors of a triangle are concurrent.
So that means common point will be A) Circumcenter.