A ladder was rested along a wall of height 5m. If ladder slides 2m away from the wall then ladder touches the foot of the wall .What is the height of the ladder. Answers.
A) 6.25 mtrs  B) 7.25 mtrs  C) 8.25 mtrs  D) 9.25 mtrs  E) 5.25 mtrs
suppose , earlier foot of ladder was x mtres away from wall, then   length of ladder = x+2 mtrs   hence   (x+2)^2 = x^2+5^2   x= 21/4= 
<gadget id="calculator">21/4</gadget>
<output>21/4 = around 5.25</output>
5.25 mtrs   length of ladder= 5.25+2= 
<gadget id="calculator">5.25+2</gadget>
<output>7.25</output>
7.25 mtrs   ANSWER:7.25 mtrs
<result>B</result>
A ladder was rested along a wall of height 5m. If ladder slides 2m away from the wall then ladder touches the foot of the wall .What is the height of the ladder.