1. Josh DeVera

2. A four sided polygon house 4cm 3 3/5cm 3 2/5 cm 3 ½ cm A=14 cm squared P=4.5cm

3. Rectangle A 4-sided shape with two sets of parallel sides house 4 2/10 cm 3 cm 4.2 x 3=12.6 cm squared 4.2+3+3+4.2 =14 2/5cm

4. Rhombus A four-sided polygon that is a parallelogram with equal sides Flag 2 ½ cm 2.5x2.5=6.25 cm squared 2.5 x 4=10 cm

5. Circle 2 A one sided closed shape Sun 5 7/10 cm 2 x 3.14 x 2.85=17.898 cm 2 x 3.14 x 2.85 = 35.796 cm squared

6. Nonagon A nine-sided polygon courtyard 1 ½ cm 2 ½ cm 2 cm 1 ½ cm 2 ½ cm 2 cm 3 cm 1 ½ cm 2 ½ cm 2+2.5+1.5+2+2.5+1.5 +2.5+1.5+3=19cm

7. Pentagon A five sided polygon Church house 3 cm 1 cm 3 cm 2 ½ cm 1 ½ cm 2.5+1.5+3+1+3=11cm

8. Scalene triangle A triangle in which all sides are different lengths and angles Soldier’s head 1 cm 2 1/10 cm 1 cm 1+1+2.1=3.1 cm ½ x 2.1 x 1=1.05 cm squared

9. Octagon An 8-sided polygon House 3 cm 1 cm 1 ½ cm 3 cm 1 cm 2 ½ cm 1 ½ cm 3 3/10 cm 1+3+1.5+3+1+2.5+1.5 +3.3=16 4/5 cm

10. Circle Forest patch 2 3/5 cm A one sided shape 2 x 3.14 x 1.3=41.84 cm squared 2 x 3.14x 1.3=8.164 cm

11. decagon A 10-sided polygon 1 4/10 cm 1 1/10 cm 1 4/10 cm 7/10 cm 8/10 cm 1 1/10 cm 1 cm 1 2/10 cm 1 7/10 cm 3/10 cm.8+.7+1.4+1.1+.3+1.4 +1.7+1.2+1+1.1= 10.7 cm

12. Parallelogram A shape in which both sides are parallel Foot 2 1/10 cm 8/10 cm 2.1 X.8=1.68 cm squared 2.1+.8+2.1+.8=5.8 cm

13. Hexagon A six-sided polygon Birds 2 cm 1 2/5 cm 2/5 cm 1 cm 2/5 cm 1+.4+1.4+2+.4+1= 6 1/5cm

14. Regular polygon A polygon with all equal sides Rooftop 4 cm 4+4+4=12cm ½ x 4 x 4= 8 cm squared

15. Right triangle A triangle where 1 angle is 90 degrees Rooftop 4 2/5 cm 3 3/10 cm 2 4/5 cm ½ x 4.4 x 2.8 =6.16 cm squared 3.3+4.4+2.8= 10.8 cm

16. Heptagon A seven-sided shape Cannon ball 1 cm ½ cm 3/5 cm 3/10 cm 4/5 cm 1 cm.8+1+.5+.5+1+.6+.6=4.7 cm

17. Convex polygon A polygon without indents Soldier torso 3 4/5 cm 9/10 cm 7/10 cm 3.8+.9+3.8+.7=9.2 cm

18. Concave polygon A polygon with indents Crater 3/5 cm 1 7/10 cm 1 4/10 cm 4/5 cm 3/5 cm ½ cm 1 cm 3/10 cm ½ cm 1+1.4+.3+.5+1.7+.5+.6+. 8+.6+.5+.5=8.8cm