1. Warm Ups Preview 10-1 Perimeter 10-2 Circles and Circumference
Area of Parallelograms
Area of Triangles and Trapezoids
Area of Circles
Area of Irregular and Composite Figures
Three-Dimensional Figures
Volume of Prisms
Volume of Cylinders
10-10 Surface Area

2. 1. What figure has four equal sides and four right angles?
10-1 Perimeter
Warm Up
1. What figure has four equal sides and four right angles?
2. What figure has eight sides?
3. What figure has five sides?
square
octagon
pentagon

3. The perimeter is multiplied by 5.
10-2 Circles and Circumference
Warm Up
The length and width of a rectangle are each multiplied by 5. Find how the perimeter of the rectangle changes.
The perimeter is multiplied by 5.

4. 10-3 Area of Parallelograms
Warm Up
Find each product.
1. 8  12
2. 3
 6.3
 7 96 18 2 3
56 3 or 1 2 1 3
 5
59.22
24.5

5. Warm Up Evaluate. 1. · 6 · 8 24 2. · 5.4 · 7.2 19.44 3. 4(7 + 10) 68
10-4 Area of Triangles and Trapezoids
Warm Up
Evaluate. 1 2 1.
· 6 · 8 24 2. 1 2
· 5.4 · 7.2
19.44
3. 4(7 + 10) 68
( )
70.7

6. 10-5 Area of Circles
Warm Up
Simplify.
1. 82
2. 122 64
144
38.44
56.25

7. Find the area of the following figures.
10-6 Area of Irregular and Composite Figures
Warm Up
Find the area of the following figures.
1. a triangle with a base of 12.4 m and a height of 5 m
2. a parallelogram with a base of 36 in. and a height of 15 in.
3. a square with side lengths of 2.5 yd
31 m2
540 in2
6.25 yd2

8. Solve. Use 3.14 as an estimate for .
10-7 Three-Dimensional Figures
Warm Up
Solve. Use 3.14 as an estimate for .
1. The diameter of a circle is 12 in. What is
the circumference?
37.68 in.
2. The radius of a circle is 9 cm. What is its circumference?
 cm
3. Find the area of a circle with a 12 ft
radius.
 ft2

9. Find the area of each figure. Use 3.14 as an estimate for .
10-8 Volume of Prisms
Warm Up
Find the area of each figure. Use 3.14 as an estimate for .
1. rectangle with base length 8 in. and height 12 in.
96 in2
2. circle with diameter 8 ft
50.24 ft2

10. Warm Up 10-9 Volume of Cylinders
Find the volume of each figure described.
1. rectangular prism with length 12 cm, width 11 cm, and height 10 cm
1,320 cm3
2. triangular prism with height 11 cm and triangular base with base length 10.2 cm and height 6.4 cm
cm3

11. Identify the figure described.
10-10 Surface Area
Warm Up
Identify the figure described.
1. two parallel congruent faces, with the other faces being parallelograms
2. a polyhedron that has a vertex and a face at opposite ends, with the other faces being triangles
prism
pyramid