1. 8th Grade Math Unit 8 Review

2. Unit 8 Review
a) Is every square also a parallelogram?
b) Can an obtuse triangle also be a right triangle?

3. Answer Unit 8 Review a) Is every square also a parallelogram? yes
b) Can an obtuse triangle also be a right triangle?
yes no

4. Unit 8 Review
a) Draw and label an equilateral parallelogram that is not a square.
b) Name the shape above.
Be as specific as you can.

5. Answer
Unit 8 Review
a) Draw and label an equilateral parallelogram that is not a square.
b) Name the shape above.
Be as specific as you can.
rhombus

6. How many sides does each polygon have?
Chapter 8 Review
How many sides does each polygon have?
a) octagon
b) quadrilateral
c) pentagon
d) rhombus

7. Answer How many sides does each polygon have? Chapter 8 Review
a) octagon
b) quadrilateral
c) pentagon
d) rhombus 8 4 5 4

8. Give the formulas for: Unit 8 Review a) area of a circle
b) circumference of a circle

9. Answer Give the formulas for: Unit 8 Review a) area of a circle
b) circumference of a circle
A = r2
C = d

10. Give the formulas for: a) area of a triangle b) area of a trapezoid
Unit 8 Review
Give the formulas for:
a) area of a triangle
b) area of a trapezoid

11. Answer Give the formulas for: Unit 8 Review a) area of a triangle
b) area of a trapezoid bh
A = 2
(b1 + b2)
A = h 2

12. Find the perimeter and area of a rectangle with l = 12 m and w = 4 m.
Unit 8 Review
Find the perimeter and area of a rectangle with l = 12 m and w = 4 m.

13. Answer
Unit 8 Review
Find the perimeter and area of a rectangle with l = 12 m and w = 4 m.
Perimeter = 32 m
Area = 48 m2

14. Find the perimeter and area of this triangle.
Unit 8 Review
Find the perimeter and area of this triangle.
8 in
6 in
5 in
10 in

15. Answer Find the perimeter and area of this triangle. Unit 8 Review
Perimeter = 24 in
Area = 25 in2
8 in
6 in
5 in
10 in

16. 8) Find the perimeter and area of each figure
Unit 8 Review
8) Find the perimeter and area of each figure
Rectangle with length 4m and width 0.5m.
2 in
1.5 in
8 in

17. Answer 8) Find the perimeter and area of each figure
Unit 8 Review
8) Find the perimeter and area of each figure
Rectangle with length 4m and width 0.5m.
2 in
1.5 in
8 in
Perimeter = 20 in, Area = 12 in2
Perimeter = 9 m, Area = 2 m2

18. 9) Find the perimeter and area of each figure
Unit 8 Review
9) Find the perimeter and area of each figure
5 m
5 m
3 m
8 m

19. 9) Find the perimeter and area of each figure
Answer
Unit 8 Review
9) Find the perimeter and area of each figure
5 m
5 m
3 m
8 m
Perimeter = 21 m, Area = 19.5 m2

20. 10) What is the shaded area?
Unit 8 Review
10) What is the shaded area?
8 cm
3 cm
4 cm

21. 10) What is the shaded area?
Answer
Unit 8 Review
10) What is the shaded area?
8 cm
3 cm
4 cm
Area = 64 – = cm2