Determine whether the forces in the pair are pulling at right angles to each other.
For the values a = 7.2 which is a leg of a right triangle, and value c = 11.1, which is the hypotenuse, find the length of the other leg, b, to the nearest tenth
Using Pythagorean theorem we get: a^2 +b^2 = c^2
7.2^2 + b^2 = !!.1^2
51.84 + b^2 = 123.21
b^2 = 123.21 - 51.84
b^2 = 71.37
b = 8.4 (nearest tenth)
Answer: a. 8.4
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