GET WIRED! 202 Lesson 2 Quiz: DSTE Unit 15
12. A right triangle has one angle that is 60°. The side adjacent to the 60° angle has a length of 7 in. How long is the opposite side? A. 12.12 in. B. 6.06 in. C. 4.04 in. D. 3.5 in.
A. 12.12 in.
8. The function that is equal to the adjacent divided by the hypotenuse is the _______. A. cosine B. sine C. tangent D. cotangent
A. cosine
3. The side that is the longest and is opposite the right angle is called the _________. A. hypotenuse B. adjacent side C. opposite side D. right side
A. hypotenuse
10. A right triangle has a hypotenuse of 87 and one side that is 44. How long is the other side? A. 43 B. 75.05 C. 131 D. 97.49
B. 75.05
4. The Pythagorean Theorem is ________. A. c = a2 + b2 B. c2 = a2 + b2 C. 2c = 2a + 2b D. c2 = 2a + 2b
B. c2 = a2 + b2
2. In a right triangle, the longest side is called the ______. A. adjacent side B. hypotenuse C. opposite side D. right side
B. hypotenuse
7. The function that is equal to the opposite divided by the hypotenuse is the _____. A. cotangent B. sine C. cosine D. tangent
B. sine
15. Many ____ formulas are based on right triangles. A. DC B. short circuit C. AC D. arc fault
C. AC
5. In a right triangle, the side across from an angle (the side is not one of the two that make the angle) is called the ________. A. adjacent side B. hypotenuse C. opposite side D. right side
C. opposite side
11. A right triangle has two sides that are 9 in. and 12 in. How long is the hypotenuse? A. 3 in. B. 7.94 in. C. 21 in. D. 15 in.
D. 15 in.
14. A right triangle has one side of 5 and another side of 4 (neither side is the hypotenuse). What is the angle adjacent to the side that is 5? A. 36.87° B. 51.34° C. 53.13° D. 38.66°
D. 38.66°
13. A right triangle has a hypotenuse of 10 ft. and one angle of 30°. How long is the side opposite the angle? A. 11.55 ft. B. 8.67 ft. C. 20 ft. D. 5 ft.
D. 5 ft.
9. The memory aid to help you remember the trigonometric function relationships is ______. A. Oscar had a pile of oranges B. Oscar had a heavy orangutan C. Oscar had a pile of apples D. Oscar had a heap of apples
D. Oscar had a heap of apples
6. In a right triangle, the two non-right angles are each formed by the hypotenuse and one of the other sides. From the perspective of the angle, the side that is not the hypotenuse is called the ________. A. right side B. nearest side C. opposite side D. adjacent side
D. adjacent side
1. A triangle which contains one 90° angle is called a(n) _____ triangle. A. adjacent B. opposite C. hypotenuse D. right
D. right
