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.
23.20°
(y
-y
)÷(x
-x
) = m
1.
2
1
2
1
(4,5)
(4,5)
(5-0)÷(4-0) = 1.25
35.54°
2.
Then find the arc tangent (aka. inverse
20.56°
tangent) of the slope.
3.
arctan(1.25) = 51.34°
60.26°
4.
1)
2)
3)
45.00°
5.
(7,5)
45.00°
(7,3)
(8,3)
6.
49.40°
7.
82.87°
8.
4)
5)
6)
37.87°
9.
(4,7)
(6,6)
(5,5)
30.96°
10.
12.53°
11.
40.60°
12.
7)
8)
9)
(1,8)
(6,7)
(9,7)
10)
11)
12)
(7,6)
(5,3)
(9,2)
1-10 92 83 75 67 58 50 42 33 25 17
Math
3
11-12 8
0
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