A. hypotenuse B. opposite side C. longer side D. shorter side 2. It is the ratio between the opposite side and the hypotenuse, known as B. cosine C. cosecant A. sine D. secant 3. It is the ratio between the adjacent side and the opposite side, known as A. sine B. cosine C. tangent D. cotangent . It is the ratio between the sine function and cosine function, known as A. sine B. cosine C. tangent D. cotangent 5. What is the value of cos 45°? √3 √√3 √2 A. B. C.V/Z D. 2 2 2 -

Elementary Geometry For College Students, 7e
7th Edition
ISBN:9781337614085
Author:Alexander, Daniel C.; Koeberlein, Geralyn M.
Publisher:Alexander, Daniel C.; Koeberlein, Geralyn M.
Chapter4: Quadrilaterals
Section4.3: The Rectangle, Square, And Rhombus
Problem 42E: a Argue that the midpoint of the hypotenuse of a right triangle is equidistant from the three...
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Subparts 4-6

1. It is the longest side of a right triangle, and it is always the opposite of the 90° angle.
B. opposite side C. longer side D. shorter side
A. hypotenuse
2. It is the ratio between the opposite side and the hypotenuse, known as
D. secant
A. sine
B. cosine
C. cosecant
3. It is the ratio between the adjacent side and the opposite side, known as
B. cosine
C. tangent
D. cotangent
A. sine
4. It is the ratio between the sine function and cosine function, known as
A. sine
B. cosine
C. tangent
D. cotangent
5. What is the value of cos 45⁰?
A.
B.
C./2
D. -√2
2
2
响
Transcribed Image Text:1. It is the longest side of a right triangle, and it is always the opposite of the 90° angle. B. opposite side C. longer side D. shorter side A. hypotenuse 2. It is the ratio between the opposite side and the hypotenuse, known as D. secant A. sine B. cosine C. cosecant 3. It is the ratio between the adjacent side and the opposite side, known as B. cosine C. tangent D. cotangent A. sine 4. It is the ratio between the sine function and cosine function, known as A. sine B. cosine C. tangent D. cotangent 5. What is the value of cos 45⁰? A. B. C./2 D. -√2 2 2 响
6. What is the value of cos 90°?
A.
B. - 1
C. 0
D. 1
7. What is the coordinate of sin 45°?
A.
B.
C. 2
D. – 12
2
8. What is the value of csc 30⁰?
A. 2
B. - 2
C. -1
D. 1
9. What is the value of tan 45°?
A. 2/2
B. - 1
C. 0
D. 1
10. What is the value of sec 60°?
A. 2
B. - 2
C. - 1
D. 1
11. Triangle ABC is a 30° -60° - 90° A, If the length of AB is 16 cm, what is the length of
BC?
A. 32 cm
B. 16 cm
C. 8 cm
D. 4 cm
12. If AB =
9 cm, BC = 5 cm, and AC = 7 cm, what is cos B?
5
7
5
7
A.
c. 77
D.
9
5
13. If AB = 9 cm, BC = 5 cm, and AC = 7 cm, what is cos A?
5
7
5
7
A.
B.
C.
D.
For #14 - 15.
14. Find x.
A. 5
B. 4
C. 3
D. 2
15. Find b.
A. 5√5
B. 4√5
C. 3√5
D. 2√5
A
8
16. In the triangle PQR, what is the length of PQ?
A. 1 cm
B. 5 cm
13 cm
C. 9 cm
D. 12 cm
12 cm
17. In the triangle DEF, what is the mE to the nearest degree?
E
A. 16°
B. 28°
17
C. 41°
D. 62°
15
D
F
18. ABCD is a parallelogram. If AB is 8 cm long, BC is 5 cm and their included angle
measures 100°, how long is diagonal AC?
A. 12.95 cm
B. 12.59 cm
C. 10.40 cm
D. 10.14 cm
19. In right triangle PQR, PQ = 12 and QR = 5 cm, what is cos R?
12
5
5
12
A.
D.
B. 13
13
20. AXYZ is a non – right triangle. If XY measures 20 cm, XZ measures 15 cm and ZZ
measures 35° then what is the measure of ZY?
A. 25.84°
B. 24.85°
C. 25.48°
D. 24.58°
SIL
M
X
h
IN
T 2
H
-R
Transcribed Image Text:6. What is the value of cos 90°? A. B. - 1 C. 0 D. 1 7. What is the coordinate of sin 45°? A. B. C. 2 D. – 12 2 8. What is the value of csc 30⁰? A. 2 B. - 2 C. -1 D. 1 9. What is the value of tan 45°? A. 2/2 B. - 1 C. 0 D. 1 10. What is the value of sec 60°? A. 2 B. - 2 C. - 1 D. 1 11. Triangle ABC is a 30° -60° - 90° A, If the length of AB is 16 cm, what is the length of BC? A. 32 cm B. 16 cm C. 8 cm D. 4 cm 12. If AB = 9 cm, BC = 5 cm, and AC = 7 cm, what is cos B? 5 7 5 7 A. c. 77 D. 9 5 13. If AB = 9 cm, BC = 5 cm, and AC = 7 cm, what is cos A? 5 7 5 7 A. B. C. D. For #14 - 15. 14. Find x. A. 5 B. 4 C. 3 D. 2 15. Find b. A. 5√5 B. 4√5 C. 3√5 D. 2√5 A 8 16. In the triangle PQR, what is the length of PQ? A. 1 cm B. 5 cm 13 cm C. 9 cm D. 12 cm 12 cm 17. In the triangle DEF, what is the mE to the nearest degree? E A. 16° B. 28° 17 C. 41° D. 62° 15 D F 18. ABCD is a parallelogram. If AB is 8 cm long, BC is 5 cm and their included angle measures 100°, how long is diagonal AC? A. 12.95 cm B. 12.59 cm C. 10.40 cm D. 10.14 cm 19. In right triangle PQR, PQ = 12 and QR = 5 cm, what is cos R? 12 5 5 12 A. D. B. 13 13 20. AXYZ is a non – right triangle. If XY measures 20 cm, XZ measures 15 cm and ZZ measures 35° then what is the measure of ZY? A. 25.84° B. 24.85° C. 25.48° D. 24.58° SIL M X h IN T 2 H -R
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