Determine whether the forces in the pair are pulling at right angles to each oth

Mathematics
Tutor: None Selected Time limit: 1 Day

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

a.  8.4

b.  13.2

c.  3.9

d.  5.0

May 5th, 2015

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

May 5th, 2015

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May 5th, 2015
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