A taxicab moves five blocks due north, five blocks due east, and another three blocks due north. Assume all blocks are of equal size. How far is the taxi from its starting point?
a. 13 blocks
c. 9.2 blocks
b. 9.4 blocks
d. 8.6 blocks
Question 2
In a 2-dimensional Cartesian system, the y component of a vector is known, and the angle between vector and x axis is known. Which operation is used to calculate the magnitude of the vector (taken with respect to the y component)?
a. dividing by cosine
c. multiplying by cosine
b. dividing by sine
d. multiplying by sine