Finding Angle Between Two Points - Angles Worksheet With Answers
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1
2Finding Angle between Two Points
Name:
Calculate the angle of the circle relative to (0,0).
A n s w e r s
First find the slope.
23.96°
(y
-y
)÷(x
-x
) = m
1.
2
1
2
1
(4,5)
(4,5)
(5-0)÷(4-0) = 1.25
33.69°
2.
Then find the arc tangent (aka. inverse
53.13°
tangent) of the slope.
3.
arctan(1.25) = 51.34°
33.69°
4.
1)
2)
3)
52.13°
(6,8)
5.
(9,4)
(6,4)
75.96°
6.
11.31°
7.
26.57°
8.
4)
5)
6)
(7,9)
45.00°
9.
(9,6)
(1,4)
78.69°
10.
69.44°
11.
36.87°
12.
7)
8)
9)
(7,7)
(8,4)
(5,1)
10)
11)
12)
(3,8)
(1,5)
(4,3)
1-10 92 83 75 67 58 50 42 33 25 17
Math
2
11-12 8
0
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