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Mathematics 7 Online
OpenStudy (anonymous):

Find the area of the triangle. Express the answer in simplest form. http://roads.advancedacademics.com/contentserver/content/roadssection/277556/questions/8hw5/8hw5_q9.gif

OpenStudy (across):

Is this homework?

OpenStudy (anonymous):

yes & i dont get it..

OpenStudy (across):

The area of a triangle is defined by\[A_{\text{triangle}}=\frac{1}{2}\text{base}\cdot\text{height}.\]Applying this formula to your question yields\[A_{\text{triangle}}=\sqrt{20}\sqrt{15}.\]Can you simplify that further?

OpenStudy (across):

I meant to write\[A_{\text{triangle}}=\frac{1}{2}\sqrt{20}\sqrt{15}.\]

OpenStudy (anonymous):

so would it be 10 to the square root of 3?

OpenStudy (across):

\[\frac{1}{2}\sqrt{20}\sqrt{15}=5\sqrt{3}\]

OpenStudy (anonymous):

ah im terrible at math, thank you!

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