Posted by **Danielle D** on Monday, September 10, 2012 at 2:48pm.

A guy wire is 11.2m long. It supports a vertical power pole. The wire is fastened to the ground 9.87m from the base of a 5.3m tall pole. Calculate the measure of the guy wire and the ground

- math REALLY need help please -
**Steve**, Monday, September 10, 2012 at 3:21pm
we already know the wire is 11.2m long, so there's no need to calculate its measure.

what does the measure of the ground mean?

If the pole is 5.3m tall and the wire is attached 9.87m from the base and also at the top, it is in fact

√(9.87^2 + 5.3^2) = 11.2 meters long.

Looks like everything is given.

- math REALLY need help please -
**Danielle D**, Monday, September 10, 2012 at 3:23pm
Ok thanks so much

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