This document contains a chapter review for geometry concepts including finding areas and perimeters of various shapes like parallelograms, triangles, trapezoids, and circles. It also includes estimating square roots, using the Pythagorean theorem, naming 3D shapes, and calculating surface areas and volumes of prisms, pyramids, cylinders, and cones. There are multiple choice questions with answers provided at the end of each section.

1. Chapter 8 Review
Game!
h
h

2. 1.
4.
2.
3.
10 cm
cm
4 cm
cm
cm
2.5 cm
3 cm
Find the area of the parallelogram

3. ANSWERS
1. 62cm²
2. 45cm²
3. 24cm²
4. 15cm²

4. 1.
4.
2.
3.
Find the perimeter of the triangle
4 in

5. ANSWERS
1. 15in
2. 12in
3. 12in
4. 15in

6. 1. 2.
3. 4.
4 cm
3cm
6 cm
Find the area of the triangle

7. ANSWERS
1. 33cm²
2. 6cm²
3. 10cm²
4. 12cm²

8. 1.
3. 4.
2.
Find the area of the trapezoid
11cm
14cm
7cm

9. ANSWERS
1. 138cm²
2. 120cm²
3. 87.5cm²
4. 130cm²

10. GROUP PROBLEM!!!!!
• Find the total
area (measured
in feet) of the
irregular shape.
• Send #1 to go
write it on the
board once you
have your
answer.

11. Answer
44 ft²

12. 1.
4.3.
2.
Find the circumference of the circle
8cm
6 cm

13. ANSWERS
1. 18.85cm
2. 18.85cm
3. 25.13cm
4. 25.13cm

14. Find the area of the circle
1.
3. 4.
2.
6 cm
8cm

15. ANSWERS
1. 28.27cm²
2. 12.57cm²
3. 78.54cm²
4. 50.27cm²

16. 1.
3.
2.
4.
Estimating Square Roots
Laura has a square rug with an
area of 120 ft² (recall the area
formula for a square). About
how long is one side of her
rug?
Mark has a square rug with an
area of 65 ft² (recall the area
formula for a square). About
how long is one side of his
rug?
Karen has a square rug with an
area of 80 ft² (recall the area
formula for a square). About
how long is one side of her
rug?
Shelby has a square rug with
an area of 99 ft² (recall the
area formula for a square).
About how long is one side of
her rug?

17. ANSWERS
1. 11 ft
2. 8 ft
3. 9 ft
4. 10 ft

18. 1.
4.3.
2.
Rational or Irrational?
45.3456743…

19. ANSWERS
1. Rational
2. Rational
3. Irrational
4. Irrational

20. 1. 2.
3. 4.
Find the missing side length using the Pythagorean Theorem
cm
cm
6 cm
7 cm

21. ANSWERS
1. 5cm
2. 5.3 cm
3. 5.7cm
4. 13cm

22. GROUP PROBLEM!!!!!
• A helicopter rose
vertically 300
meters and then
flew east 500
meters. How far is
the helicopter
now from its
starting place?

23. Answer
583.1 meters

24. Name the figure
1. 2.
4.3.

25. ANSWERS
1. Pentagonal Prism
2. Pentagonal Pyramid
3. Cone
4. Triangular Pyramid

26. 1.
4.
2.
3.
Find the surface area of the prism
10cm
7cm
16 cm

27. ANSWERS
1. 108cm
2. 111cm
3. 471.2cm
4. 428.8cm

28. 1.
3. 4.
2.
Find the volume of the rectangular prism

29. ANSWERS
1. 120cm³
2. 60cm³
3. 2560cm³
4. 60cm³

30. 1. 2.
3. 4.
Find the volume of the triangular prism

31. ANSWERS
1. 96cm³
2. 66cm³
3. 144cm³
4. 720cm³

32. 1. 2.
3. 4.
Find the volume of the cylinder

33. ANSWERS
1. 785.4cm³
2. 50.3cm³
3. 502.7cm³
4. 3015.9cm³