Question

Rearrange the formula to make a the subject:
B = 1/2h(a+b)

Answer 1

Explanation:

B=2h(a+b) #the numerator goes to the other side, the denominator then just makes it B

B/2h=a+b

2h=a+b/B

2h-a=b/B

2h-a=b(1) #factorise