SOLUTION: a 15 feet ladder is leaning against a wall. the base of the ladder is 3 feet from the wall. how high above the ground is the top of the ladder?
Algebra.Com
Question 255383: a 15 feet ladder is leaning against a wall. the base of the ladder is 3 feet from the wall. how high above the ground is the top of the ladder?
Answer by checkley77(12844) (Show Source): You can put this solution on YOUR website!
You have a right triangle with a base=3 & an hypotenuse=15.
Using a^2=b^2+c^2 formula & solving for b we get the hright.
3^2+b^2=15^2
9+b^2=225
b^2=225-9
b^2=216
b=sqrt216
b=14.697 ft. is the height.
RELATED QUESTIONS
Please help me if you can. A 15 feet ladder is leaning against a wall. The base of the... (answered by nerdybill)
A 15 feet ladder is leaning against a wall. The base of the ladder is 3 feet from the... (answered by mananth)
A 15-foot ladder is leaning against a 30-foot wall. The bottom end of the ladder is 9... (answered by ewatrrr)
A 15-foot ladder is leaning against a wall. If the top of the ladder is 14.5 feet up the... (answered by mananth)
a 15 foot ladder leaning against a building touches the wall 12 feet above the ground.... (answered by tommyt3rd,Alan3354)
A 10 foot ladder is leaning against a vertical wall. The base of the ladder is 3 feet... (answered by nerdybill)
a 10 foot ladder is leaning against a verticle wall. the base of the ladder is 3 feet... (answered by uday1435)
A ladder leaning against the wall makes an angle of 74 degrees with the ground. If the... (answered by mananth)
A 25-foot ladder leaning against a building touches the wall 16 feet above the ground.... (answered by jim_thompson5910)