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Home > Study Help and Practice Problems > Math Help > Pre-Algebra > Pre-Algebra: Informal Geometry

Pre-Algebra: Informal Geometry Help and Problems

Find study help on informal geometry for pre-algebra. Use the links below to select the specific area of informal geometry you're looking for help with. Each guide comes complete with an explanation, example problems, and practice problems with solutions to help you learn informal geometry for pre-algebra.

Study Guides

showing 1 - 9 of 9
  • 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: McGraw-Hill 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: McGraw-Hill 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 3-inch by 2-inch rectangle is 6 square inches as shown in Fig. 9-7 ...

    Source: McGraw-Hill 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: McGraw-Hill Professional
  • 5.

    Pre-Algebra 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: McGraw-Hill 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: McGraw-Hill 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: McGraw-Hill 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: McGraw-Hill Professional
  • 9.

    Informal Geometry Practice Test

    Review the following concepts if needed: Geometric Figures Help Perimeter Help

    Source: McGraw-Hill Professional

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