Two Point Charges Are Placed on Two of the Corners

Multiple Choice

Two point charges are placed on two of the corners of a triangle as shown.Find the magnitude of the electric field at the third corner of the triangle.

A) 3.9 * 10⁶ N/C
B) 4.5 * 10⁶ N/C
C) 5.4 * 10⁶ N/C
D) 6.7 * 10⁶ N/C
E) 7.1 * 10⁶ N/C