Question 1125873



the area of a triangle:{{{A=(1/2)bh}}}

if {{{b=7cm}}} and {{{h=4cm}}}, we have

{{{A=(1/2)7cm*4cm}}}


{{{A=(1/cross(2))7cm*cross(4)2cm}}}


{{{A=7cm*2cm}}}

{{{A=14cm^2}}}