Question

Lara made this cardboard cut-out below.
Lara wants to add two polygons to ABCD to create parallelogram ABCD. Which statement about the two polygons she adds must be true?
A.) Both the polygons have 4 angles.
B.) Both the polygons are regular.
C.) Both the polygons are convex.
D.) Both the polygons are congruent to each other.

Answer 1

It would be C.

Answer 2

Do you know why?

Answer 3

because its caved in the sides? @tgh

Answer 4

Convex = points outward
Concave = points inward
And the answer is not Aor D