1. Let’s review
our shapes…

2. An EQUILATERAL TRIANGLE! What is this shape? What makes this shape an
1. It’s a TRIANGLE.
2. All the sides are the SAME LENGTH.

3. A RIGHT TRIANGLE! What is this shape? What makes this shape an
1. It’s a TRIANGLE.
It has ONE right angle.

4. An ISOSCELES TRIANGLE! What is this shape? What makes this shape an
1. It’s a TRIANGLE.
2 sides are the SAME LENGTH
and one side is different.

5. NONE of the sides are the SAME LENGTH.
What is this shape? A
SCALENE
TRIANGLE!
What makes this shape a
SCALENE TRIANGLE ?
1. It’s a TRIANGLE.
NONE of the sides are the SAME LENGTH.

6. A TRAPEZOID! What is this shape? What makes this shape a TRAPEZOID?
1. It’s a QUADRILATERAL.
2. It has only ONE set of parallel sides.

7. A PARALLELOGRAM! What is this shape?
What makes this shape a PARALLELOGRAM?
1. It’s a QUADRILATERAL.
2. Both sets of OPPOSITE SIDES are PARALLEL.

8. RHOMBUS! What is this shape? A What makes this shape a RHOMBUS?
1. It’s a QUADRILATERAL.
2. Both SETS OF OPPOSITE SIDES are PARALLEL.
3. All of the SIDES are THE SAME LENGTH.

9. A RECTANGLE! What is this shape? What makes this shape a RECTANGLE?
1. It’s a QUADRILATERAL.
2. Its OPPOSITE SIDES are the SAME LENGTH.
3. Its OPPOSITE SIDES are PARALLEL.
4. It has 4 RIGHT ANGLES.

10. A SQUARE! What is this shape? What makes this shape a SQUARE?
1. It’s a QUADRILATERAL.
2. Its OPPOSITE SIDES are PARALLEL.
3. ALL OF THE SIDES are the SAME LENGTH.
4. It has 4 RIGHT ANGLES.

11. NO! Yes! Yes! Yes! Yes! Is a SQUARE a… Rectangle? Parallelogram?
Rhombus?
Yes!
Yes!
Yes!
Quadrilateral?
Trapezoid?
NO!
Yes!

12. A PENTAGON! What is this shape? What makes this shape a PENTAGON?
1. It’s a POLYGON.
2. Its has 5 SIDES.

13. A HEXAGON! What is this shape? What makes this shape a HEXAGON?
1. It’s a POLYGON.
2. Its has 6 SIDES.

14. An OCTAGON! What is this shape? What makes this shape an OCTAGON?
1. It’s a POLYGON.
2. Its has 8 SIDES.