Point M(12, 18) is given in a rectangular plane. Which is the distance of this point from the pole?
A. 12.63
B. 18.36
C. 20.46
D. 21.63
Polar coordinates of Q are (26, 80). Which is x-axis of this point in rectangular system?
A. 4.51
B. 4.25
C. 5.21
D. 5.41
The distance of the point R from the pole is 65. Its direction forms a 60 degrees angle with x-axis. Which is the y-coordinate of Q?
A. 54.28
B. 54.29
C. 56.29
D. 56.82
Which pair represents (4, –4) in polar plane?
A. (6.56, 47.77)
B. (6.56, 43.77)
C. (5.66, 44.76)
D. (5.56, 47.77)
Which point represents the polar coordinates (6, 30)?
A. (5.2, 3)
B. (5.3, 2)
C. (3, 5.2)
D. (3.2, 5)
A. 12.63
B. 18.36
C. 20.46
D. 21.63
Polar coordinates of Q are (26, 80). Which is x-axis of this point in rectangular system?
A. 4.51
B. 4.25
C. 5.21
D. 5.41
The distance of the point R from the pole is 65. Its direction forms a 60 degrees angle with x-axis. Which is the y-coordinate of Q?
A. 54.28
B. 54.29
C. 56.29
D. 56.82
Which pair represents (4, –4) in polar plane?
A. (6.56, 47.77)
B. (6.56, 43.77)
C. (5.66, 44.76)
D. (5.56, 47.77)
Which point represents the polar coordinates (6, 30)?
A. (5.2, 3)
B. (5.3, 2)
C. (3, 5.2)
D. (3.2, 5)
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a)
M(12, 18)
s = √(12^2 + 18^2) = 21.63
b)
r = 26
θ = 80°
x = 26 cos(80) = 4.51
You can finish remaning problems
M(12, 18)
s = √(12^2 + 18^2) = 21.63
b)
r = 26
θ = 80°
x = 26 cos(80) = 4.51
You can finish remaning problems