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OpenStudy (anonymous):
what is the area of triangle whose two sides are 5 and one of the sides is 4 ??
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OpenStudy (anonymous):
u can use herons formula for that...
Parth (parthkohli):
Heron was pretty cool for creating a formula like that :)
OpenStudy (anonymous):
i don't know that...i know this is an isosceles triangle :(
OpenStudy (anonymous):
s=(5+5+4)/2 = 7
so Area = \[\sqrt{s(s-a)(s-b)(s-c)}\]
OpenStudy (anonymous):
thanks...but this formula is so long and boring ...sorry :)
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hartnn (hartnn):
lol!
hartnn (hartnn):
no other option i guess..
OpenStudy (anonymous):
kkk u know dat area of triangle = 1/2 * base * height
OpenStudy (anonymous):
1/2 b*h where height you get from pythogoras theorem and base is 4
hartnn (hartnn):
\(\sqrt{s(s-a)(s-b)(s-c)}\)
was better, seriously.
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OpenStudy (anonymous):
so by constructing a perpendicular on the base of 4 cm and that perpendicular will bisect the side
OpenStudy (anonymous):
i am confused lol
OpenStudy (ghazi):
area = 2* (0.5*2*h) and h= sqrt 16-4
OpenStudy (ghazi):
\[h= 2\sqrt2\]
OpenStudy (anonymous):
UnkleRhaukus: Your response is incorrect. Please reread the question.
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OpenStudy (anonymous):
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