Ken and Marnie started walking at right angles to one another.
starting point,,,.....Marnie,,..16 m,,......Ken,,,.....63 m,,,...
What was the straight-line distance between Ken and Marnie?
A. 47 m
B. 61 m
C. 65 m
D. 79 m
Recall the Pythagorean Theorem. The distance x is found by
x^2 = 16^2 + 63^2