brianAC.
What is the area of LMNO?
(picture below)
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brianAC.
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|dw:1359688362043:dw|
geerky42
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Find the height \(\overline{NP}\) then use the formula \(A = bh\)
brianAC.
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isnt the height 10?
geerky42
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No, it's slant height. We want actual height.
brianAC.
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damn i forgot how to find height i got all into other formulas
geerky42
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Use Pythagorean Theorem.
Ring any bells?
brianAC.
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ohhh ok. give me a minute
brianAC.
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so it would look like 19^2+10^2=8^2?
geerky42
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No, here, let me show you. |dw:1359689637105:dw|
Does this make sense?
geerky42
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|dw:1359689823749:dw|
geerky42
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Does this make sense?
brianAC.
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yea
geerky42
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So, what is h?
brianAC.
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36
geerky42
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You forgot to take square root of it. (√)
brianAC.
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what u mean?
brianAC.
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i think the height is 18 but im not sure
AccessDenied
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\( h^2 + 8^2 = 10^2 \) <--We solve this for \(h\).
\( h^2 = 10^2 - 8^2 \) <-- Notice that we have that exponent of 2. We have to take the square root of both sides.
\( h = \sqrt{10^2 - 8^2} \) <-- This would be our value of h.
geerky42
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Can you find the value of h yet?