A tetrahedron has an equilateral triangle base with 20-cm-long edges and three equilateral triangle sides. The base is parallel to the ground and a vertical uniform electric ﬁeld of strength 200 N/C passes upward through the object. (a) What is the electric ﬂux through the base? (b) What is the electric ﬂux through each of the three sides? ATTEMPT: for part a i used flux=EA. for A i used BH/2 and got .0173. i multiplied that by 200 and got 3.46 m^2/C. can someone verify this is correct? for part b i just divided that number by 3 because the total flux in the sides must equal that of the base so i got -1.1533m^2/C. i think the sign is negative because it must have the opposite sign of the base. is this right?