1. Finding Perimeter and Area Review

2. Perimeter The distance around the outside of an object. 10 feet 8 feet 10 feet Perimeter = 10 + 8 +10 +8 = 36 feet

3. Find the Perimeter 6 in 11 in Answer: 6+6+11+11 = 34 in

4. 13 cm 10 cm 12 cm Answer: 10+10+13+13 = 46 cm Find the Perimeter

5. 13 in 5 in 5 in 4 in 8 in Answer: 13 + 4 + 5 + 5 = 27 in Find the Perimeter

6. 15 cm 15 cm 12 cm Answer: 15 + 15 +12 =42 cm 11 cm Find the Perimeter

7. Finding Area of a Rectangle Area of a Rectangle: L x W (length x width) Square 4 sides all sides equal right angles Rectangle 4 sides opposite sides equal right angles Area of a Square: L x W (length x width) Which is also S x S or S 2

8. Find the Area 6 in 11 in Answer: 6(11)= 66 in 2

9. Find the Area 4 in Answer: 4(4) = 16 in 2

10. Finding Area of a Triangle Area of a Square = S 2 Area of Triangle = ½ S 2 S S L W Area of a Rectangle = L x W Area of Triangle = ½ L x W = b = h Area of Triangle = ½bh

11. Find the Area 13 cm Answer: 12 cm

12. Find the Area 13 cm 10 cm Answer: 12 cm 10 x 12 A = 2 = 60 cm 2

13. Finding Area of a Parallelogram Area of a Rectangle = L x W = b S Area of Parallelogram = bh h L W

14. Finding Area of a Rhombus Area of a Square = S x S or S 2 = b Area of Rhombus = bh h S S

15. Find the Area 7 cm 3 cm 5 cm Answer: 3 (5) = 15 cm 2

16. Find the Area 9 cm 5 cm 7 cm Answer: 7 (5) = 35 cm 2

17. Finding Area of a Trapezoid Area of Trapezoid = b 1 + b 2 x h 2 b1b1 b2b2 h

18. Find the Area. 10 in 4 in 4 in 2 in Answer: 8 in

19. Finding Area of a Kite Area of a Kite = pq 2 p q

20. Find the Area Answer = 10 x 8 = 40 cm 2 2 p 10 cm 8 cm

21. Finding Area and Circumference of Circles π = 3.14 Diameter – the distance from one side of a circle to the other through the center Radius – the distance from the center of a circle to the side ½ of the diameter Area of a Circle = πr 2 Circumference of a Circle = 2 πr or πd

22. Find Area and Circumference A= πr 2 C= πd d = 14 cm C= 3.14(14) C= 43.96 cm A= 3.14(7) 2 A= 153.86 cm 2