Wednesday, January 6, 2010

Princess' Scribepost for January 6, 2010

Question No. 4

4. Find the height of the pole where the guy wire is attached, to the nearest tenth of a metre.

a
² = c² - b²
a
² = 10² - 2²
a
² = (10x10) - (2x2)
a
² = 100 - 4
a
² = 96
√a
² = √96
a = 9.8

The height of the pole is 9.8 metre.

5 comments:

Harvey841 said...

It's 100 - 48 :)

michelle841 said...

uhm the answer is suppose to be 96 because 100-4= 64 ?

princess841 said...

oh sorry guys, there i fixed it (:

vanessa 8-41 said...

Good job Princess ! I really didn't notice anything wrong but i did notice your great use of colour. Haha good job !

sierra841 said...

Good job Princess. Everything is correct. Good use of the colours and bolding and whatnot. Good effort Princess!

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