Two Forces Act at a Point in the Plane $90 ^ { \circ }$

Multiple Choice

Two forces act at a point in the plane. The angle between the two forces is given. Find the magnitude of the resultant
force.
-forces of 40 and 86 newtons, forming an angle of $90 ^ { \circ }$ (round to the nearest newton)

A) 95 newtons
B) 46 newtons
C) 126 newtons
D) 3440 newtons