Question

Match the vocabulary word with the correct definition.

1. diagonal
a shaped with no indentations
2. convex
an interior line that connects two vertices that are not already connected
3. concave
a shape with an indentation
4. heptagon
a polygon with 10 sides
5. decagon
a polygon with 7 sides

Answer 1

1. diagonal — b
2. convex — a
3. concave — c
4. heptagon — e
5. decagon — d