Question 950450
a=length 0f equal sides; h=length of hypotenuse=26mm; 
Since a is height and base,{{{area=(1/2)a^2}}}
{{{2a^2=h^2}}}
{{{2a^2=(26mm)^2}}}
{{{2a^2=676mm^2}}} Divide each side by 2.
{{{a^2=338mm^2}}}
{{{Area=(1/2)(a^2)}}}
{{{Area=(1/2)(338mm^2)}}}
{{{Area=169mm^2}}} ANSWER: The area is 169 sq mm.