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July 24, 2014

July 24, 2014

Posted by **Jen** on Wednesday, May 19, 2010 at 10:09pm.

time of the day as a building casts a 28m

shadow. How tall is the building?

I drew out a flag and a building, with a shadow coming from the top to the ground. What do i do next?

- Math 9 -
**Maisha**, Wednesday, May 19, 2010 at 10:37pmUse proportions.

The height of the building can be x.

6/5=x/28

Cross multiply.

6*28=5x

168=5x

Divide each side by 5 so you isolate x.

168/5=x

168/5 = Simplify this to get your answer.

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