Question 325772
# 1


Hint: If you draw the picture, you get


<img src="http://i150.photobucket.com/albums/s91/jim_thompson5910/Algebra%20dot%20com/tree_drawing.png">


From there, use the pythagorean theorem {{{a^2+b^2=c^2}}} to solve for 'x' (use {{{a=10}}}, {{{b=24}}} and {{{c=x}}})

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# 2


Area of first rectangle: 3*3=9


Area of second rectangle: {{{4x*4x=16x^2}}}


Total area: {{{16x^2+9}}} (just add the two individual areas)