Question

Evaluate A=1/2 bh, for b=8 and h=4

Answer 1

 

$\displaystyle \bf\\A=\frac{1}{2}bh=\frac{b\cdot h}{2}=\frac{8\cdot 4}{2}=\frac{32}{2}=\boxed{\bf16}$

Answer 2

(1/2)(8)(4) = 16

A=16