l. What is the length of side BC to one decimal place? A. 6.7 B. 7.4 B. C. 9.0 D. 14.9 42 10

Mathematics For Machine Technology
8th Edition
ISBN:9781337798310
Author:Peterson, John.
Publisher:Peterson, John.
Chapter11: Addition And Subtraction Of Decimal Fractions
Section: Chapter Questions
Problem 11A
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Il. What is the length of side BC to one decimal
place?
n be
AB
SinlaB) Sin(gor)
= 10 SM(90LA)
A AB
Sin 190"42)-AB
10
B
A. 6.7
В. 74
С. 9.0
D. 14.9
42
10
(420%
16
%3D
Which equation shows a correct trigonometric ratio
for angle A in the right triangle below?
B.
est
17 cm
8 cm
26
15 cm
A
A. sin A =
В.
tan A =
BC=26Sin(27) c. cos A =
D. tan A =
13. In right triangle ABC, mLC = 90, mLA = 63, and
AB = 10. If BC is represented by a, then which
equation can be used to find a?
a
A. sin 63° =
10
В.
a = 10 cos 63°
10
C. tan 63° =
a
a
10
D. a = tan 27°
63°
3=9"-48"
Transcribed Image Text:Il. What is the length of side BC to one decimal place? n be AB SinlaB) Sin(gor) = 10 SM(90LA) A AB Sin 190"42)-AB 10 B A. 6.7 В. 74 С. 9.0 D. 14.9 42 10 (420% 16 %3D Which equation shows a correct trigonometric ratio for angle A in the right triangle below? B. est 17 cm 8 cm 26 15 cm A A. sin A = В. tan A = BC=26Sin(27) c. cos A = D. tan A = 13. In right triangle ABC, mLC = 90, mLA = 63, and AB = 10. If BC is represented by a, then which equation can be used to find a? a A. sin 63° = 10 В. a = 10 cos 63° 10 C. tan 63° = a a 10 D. a = tan 27° 63° 3=9"-48"
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