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

b2 = 5

Step-by-step 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

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