Study Guides

1.
Geometric Figures Help
Geometric Figures The word "geometry" is derived from two Greek words meaning "earth measure." The basic geometric figures are the point, the line, and the plane. These figures are theoretical and cannot be formally ...
Source: McGrawHill Professional 
2.
Perimeter Help
Perimeter The distance around the outside of a geometric figure is called the perimeter of the figure. The perimeter is found by adding the measures of all sides of the geometric figure. For some geometric figures, there are ...
Source: McGrawHill Professional 
3.
Area of Squares, Rectangles and Triangles Help
Area of Squares, Rectangles, and Triangles The area of a geometric figure is the number of square units contained in its surface. For example, the area of the 3inch by 2inch rectangle is 6 square inches as shown in Fig. 97 ...
Source: McGrawHill Professional 
4.
Area of Parallelograms, Trapezoids and Circles Help
Area of Parallelograms, Trapezoids, and Circles Area of a Parallelogram The area of a parallelogram can be found by using the formula A = bh, where b is the base and h is the height or altitude . ...
Source: McGrawHill Professional 
5.
PreAlgebra Volume Help
Volume The volume of a geometric figure is a measure of its capacity. Volume is measured in cubic units. Cubic units are abbreviated using 3 for the exponent: 1 cubic ...
Source: McGrawHill Professional 
6.
Word Problems in Geometry Help
Word Problems in Geometry Word problems in geometry can be solved by the following procedure: Step 1 Read the problem . Step 2 Decide whether you are being asked to find the ...
Source: McGrawHill Professional 
7.
Square Roots Help
Square Roots Previously you learned how to square a number. For example, 7 2 = 7 × 7 = 49 and 3 2 = 3 × 3 = 9. The ...
Source: McGrawHill Professional 
8.
The Pythagorean Theorem Help
The Pythagorean Theorem The Pythagorean theorem, an important mathematical principle, uses right triangles. A right triangle is a triangle which has one right or 90° angle. The side opposite the 90° angle is called the ...
Source: McGrawHill Professional 
9.
Informal Geometry Practice Test
Review the following concepts if needed: Geometric Figures Help Perimeter Help
Source: McGrawHill Professional