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Home > INT2 > Chapter 8 > Lesson 8.4.3 > Problem 8-107


This problem is a checkpoint for applying trigonometric ratios and the Pythagorean Theorem. It will be referred to as Checkpoint 8.

  1. Compute the perimeter.

    A right trapezoid with bottom base 5.0 feet, and top base 8.0 feet, left side 5.0 feet with right angles at the left both lower and upper angles.

  1. Solve for .

    A right triangle with a base of 10 yards and height of X. 35 degrees angle is opposite side, x.

  1. Solve for .

    A right triangle with height of 60 m, hypotenuse of 120 m, with angle opposite the base, labeled, x.

  1. Solve for .

    A right triangle with height of 5 cm, hypotenuse of, x, with angle opposite the height, labeled, 45 degrees.

  1. Juanito is flying a kite at the park and realizes that all feet of string have been let out. Margie measures the angle of the string with the ground using her clinometer and determines it is . How high is Juanito’s kite above the ground? Draw a diagram and use the appropriate trigonometric ratio.

Check your answers by referring to the Checkpoint 8 materials located at the back of your book.

Ideally, at this point you are comfortable working with these types of problems and can solve them correctly. If you feel that you need more confidence when solving these types of problems, then review the Checkpoint 8 materials and try the practice problems provided. From this point on, you will be expected to do problems like these correctly and with confidence.

Answers and extra practice are located in the back of your printed textbook or in the Reference Tab of your eBook. If you have an eBook for INT2, login and then click the following link: Checkpoint 8: Applying Trigonometric Ratios and the Pythagorean Theorem