11-1 Square Roots: To estimate the positive square root of a positive number by determining the two consecutive integers between which the square root lies.

11-2 Approximating Square Roots: To use the “divide-and –average” method to approximate the square root of a number.

11-3 Using a Square Root Table: To use a table or interpolation to find the approximate square root of a number.

11-4 The Pythagorean Theorem: To use the Pythagorean theorem and its converse.

11-5 Similar Triangles: To apply facts about similar triangles.

11-6 Special Right Triangles: To find the lengths of missing sides of a 45 degree right triangle, and of a 30 degree- 60 degree right triangle, given the length of one side.

11-7 Trigonometric Ratios: To calculate the sine, cosine, and tangent of an acute angle of a right triangle, given the lengths of two sides.

11-8 Solving Right Triangles: To solve a right triangle by using a trigonometric table.