Finding Angle Between Two Points - Angles Worksheet With Answers Page 2
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1
2Answer Key
Finding 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.
45.00°
(y
-y
)÷(x
-x
) = m
1.
2
1
2
1
(4,5)
(4,5)
(5-0)÷(4-0) = 1.25
52.13°
2.
Then find the arc tangent (aka. inverse
83.66°
tangent) of the slope.
3.
arctan(1.25) = 51.34°
29.74°
4.
1)
2)
3)
(7,9)
(1,9)
45.00°
(8,8)
5.
33.69°
6.
7.13°
7.
18.43°
8.
4)
5)
6)
29.05°
9.
(9,6)
(7,4)
(4,4)
26.57°
10.
54.46°
11.
60.26°
12.
7)
8)
9)
(9,5)
(9,3)
(8,1)
10)
11)
12)
(5,7)
(4,7)
(6,3)
1-10 92 83 75 67 58 50 42 33 25 17
Math
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