Question

A = h/2 (a+b)

the subject of the given formula is "a" not "A"

please include workings (along with solution) thanks

Answers

ASDFGHJKL;
this topic that i learned in class is "changing the subject of a formula" FYI
drwls
Use algebra to derive the formula for a in terms of h, A and b.

You should use parentheses to show if (a+b) is part of the denominator of a fraction h/[2(a+b)], or not. I will assume you mean
A = (h/2)*(a+b)

a + b = 2A/h

a = 2A/h -b
ASDFGHJKL;
God bless you. Thanks!

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