Question

Solve for b2 Solve for b2 in A =1/2h(b1+b2), if A = 16, h = 4, and b1 = 3.

Answer 1

b2 = 5

Explanation:

16 = 1/2 x 4 (3 + b2)

16 = 2 (3 + b2)

16 = 6 + 2b2

16-6 = 2b2

10 = 2b2

10/2 = 2b2/2 (the 2s cancel out)

5 = b2

Answer 2

16 = 0.5 * 4 * (3 + b2)

8 = 3 + b2

b2 = 5