Posted by Brieson on .
10 ft ladder leans against wall its foot braced 3 ft from wall's base. how far up the wall does the ladder reach? please walk me through it

algebra 
bobpursley,
you know a right triangle the hypotensue squared is equal at the sum of the square of the legs.
100^2=3^2+H^2
h^2=91
h= sqrt (91)