Question

If a circle is inscribed in a square, which of the following must be true?

A. The square is circumscribed about the circle.
B. Each vertex of the square lies inside the circle.
C. The circle is congruent to the square.
D. Each vertex of the square lies outside the circle.
E. The circle is tangent to each side of the square.

(multiple choice)

Answer 1

D

Answer 2

what do you not understand?

Answer 3

but the answer is D