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If A = (frac{1}{2})h (a + b), make ‘a’ the subject of the formula

If A = (frac{1}{2})h (a + b), make ‘a’ the subject of the formula
  • A.
    (2A – 2bh) ÷ b
  • B.
    (2A – bh) ÷ h
  • C.
    (2A – bh) ÷ b
  • D.
    (A – 2bh) ÷ h
  • E.
    (2A – h) ÷ bh
Correct Answer: Option B
Explanation