Question

answer the questions about the polygons below.
which figure is a triangle?
figure a figure b figure c none
which figure is a quadrilateral?
figure a figure b figure c none
which figure is a heptagon?
figure a figure b figure c none

Explanation:

Step1: Recall definitions

A triangle has 3 sides, a quadrilateral has 4 sides, and a heptagon has 7 sides.

Step2: Count sides of each figure

• Figure A: Count the number of sides. There are 7 sides.
• Figure B: Count the number of sides. There are 3 sides.
• Figure C: Count the number of sides. There are 6 sides.

Answer:

• Which figure is a triangle? Figure B
• Which figure is a heptagon? Figure A
• Which figure is a quadrilateral? None