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Return to book index Chapter 9 : Right Triangles and Trigonometry

To play, click on the desired block with your mouse, or move the cursor with your ARROW KEYS. When the block is highlighted, type your letter. To switch from across to down or vice versa use the ARROW KEYS or Control-CLICK with your mouse. To clear the puzzle, click on your browser's REFRESH or RELOAD button. After clicking "Check Answers", incorrect letters will be marked with an "X". Your teacher has access to the completed puzzle.

1.Right triangles whose angle measures are 45°-45°-90° or 30°-60°-90° are called ________ right triangles
7.The ________ of a vector is the distance from the initial point to the terminal point.
8.To ________ a right triangle is to determine the measurements of all its sides and angles.
9.The statement formed by switching the hypothesis and the conclusion of a conditional statement.
10.The ________ of a triangle is the perpendicular segment from a vertex of a triangle to the opposite side or to the line that contains the opposite side.
11.An equation that equates two ratios.
12.Two vectors that have the same magnitude and direction.
2.A ________ triple is a set of three positive integers a, b, and c that satisfy the equation c2 = a2 + b2.
3.An ________ triangle is a triangle with three congruent sides.
4.Two vectors that have the same or opposite directions.
5.An ________ triangle is a triangle with three congruent angles.
6.The ________ of a vector is determined by the angle that the vector makes with a horizontal line.