Friday

March 6, 2015

March 6, 2015

Posted by **Octivia** on Thursday, August 25, 2011 at 1:34pm.

- math -
**Ms. Sue**, Thursday, August 25, 2011 at 1:59pmUse the Pythagorean Theorem and solve for b.

a^2 + b^2 = c^2

7.5^2 + b^2 = 12.5^2

56.25 + b^2 = 156.25

b^2 = 156.25 - 56.25

b^2 = 100

b = 10

- math -
**Octivia**, Thursday, August 25, 2011 at 2:58pmThe foot of the ladder in 4.2 above moves 4m closer to the wall.How much further will the ladder now reach up the wall?

- math -
**Ms. Sue**, Thursday, August 25, 2011 at 3:24pmUse the Pythagorean theorem as I showed you above.

- math -
**Octivia**, Thursday, August 25, 2011 at 3:50pmThank you

- math -
**Ms. Sue**, Thursday, August 25, 2011 at 4:23pmYou're welcome.

**Answer this Question**

**Related Questions**

math - A ladder 10 m long rests on horizontal ground and leans against a ...

Calculus - a 5m ladder rests against a vertical wall. The top of the ladder ...

Calculus - related rates: a ladder, 12 feet long, is leaning against a wall. if ...

math - the top of a ladder 6 m long is resting against a vertical wall on a ...

Analytical Geometry - A 10 foot long ladder is leaning against a vertical wall ...

maths - A ladder lies against a wall.the top of the ladder reaches 8feet above ...

Maths - A ladder, 6m long rests against a wall. The foot of the ladder is 2.5m ...

Calculus Ladder Problem - A ladder 20 ft long rests against a vertical wall. Let...

math - A ladder 10 ft long rests against a vertical wall. let θ be the ...

math - A ladder 14 ft long rests against a vertical wall. Let \theta be the ...