minerrage43
19.05.2020 •
Mathematics
When Ranim started karate, her highest kick went 110 degrees from the ground. Her instructor asked her to practice until her highest kick goes 155 degrees from the ground. Which equation will tell us the measure of the additional angle, a, that Ranim's kick needs to go to reach 155 degrees from the ground?
155−110=a
155+110=a
180−110=a
155+90=a
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Ответ:
To find the additional angle needed. Subtract the starting angle from the needed angle:
155 - 110 = a
Ответ:
w = 3i +8j
2i = (2,0) a vector that lies on the X axis
3i +8j = (3,8) the terminal point of the 2nd vector
so we want the angle between (3/8) and the x axis
the formula for this is arctan(8/3) = 69.44
rounded to nearest tenth = 69.4 degrees