marcoduuuh
A right triangle has a hypotenuse of length 10 and a leg of length 7. What is the area of the triangle?



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marcoduuuh
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a=35?

ash2326
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dw:1358830749694:dw
Find the missing side

ash2326
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@marcoduuuh Are you trying?

marcoduuuh
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yes!

ash2326
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Find the side then use the area formula,
\[\frac 1 2 \times base\times \ height\]

godorovg
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hey just an idea here take half of seven and than half of 10 and times them together

marcoduuuh
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I got 35?

godorovg
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1/2 of 7 is 3.5 and half of 10 is 5 so what is the answer?

ash2326
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dw:1358831111900:dw
You need to find the height first, formula doesn't involve hypotenuse's length

marcoduuuh
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17.5!

ash2326
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@marcoduuuh Can you use Pythagoras to find height?

godorovg
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better use a2+b2=c2 may be that would work here

marcoduuuh
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that's Pythagoras

godorovg
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yes

godorovg
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hey ash am I missing something here??

marcoduuuh
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10^2+7^2= 149.
sqrt of 149 is: 12.2065556

godorovg
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does this problem have answer choices or anything??

marcoduuuh
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Nope, it doesn't. ):

godorovg
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one sec checking something here

marcoduuuh
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ok

godorovg
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wait I know now

godorovg
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opp/ adj what is the function?

godorovg
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you still there?