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find the area of the triangle whose sides have the given lengths.
a=1, b=2, c=2
 one year ago
 one year ago
find the area of the triangle whose sides have the given lengths. a=1, b=2, c=2
 one year ago
 one year ago

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amistre64Best ResponseYou've already chosen the best response.1
use herons formula, or find an angle with the law of cosine
 one year ago

ipm1988Best ResponseYou've already chosen the best response.0
@ Chiomatn use the method i gave you it is valid for all
 one year ago

shivam_bhallaBest ResponseYou've already chosen the best response.0
@Chiomatn93 , I just told you the answer few minutes back. The heron's formula
 one year ago

amistre64Best ResponseYou've already chosen the best response.1
dw:1336932257283:dw c^2 = a^2 + b^2 2ab cos(C) c^2a^2b^2  = cos(C) 2ab c^2a^2b^2 cos^1 () = C 2ab 2^2 sinC  = area 2
 one year ago

Chiomatn93Best ResponseYou've already chosen the best response.0
that wasnt the answer... u just gave me the formula
 one year ago

shivam_bhallaBest ResponseYou've already chosen the best response.0
@Chiomatn93 , I am not here to give answers :(
 one year ago

shivam_bhallaBest ResponseYou've already chosen the best response.0
If you want some help , I can help you
 one year ago

Chiomatn93Best ResponseYou've already chosen the best response.0
all i want is the steps and answer.. i already know the formula.. is s=2.5?
 one year ago

ipm1988Best ResponseYou've already chosen the best response.0
@ chiomatn93 be confident in what you are you would make mistakes I also did just keep on trying
 one year ago

shivam_bhallaBest ResponseYou've already chosen the best response.0
@Chiomatn93, you need a calculator, not us :P
 one year ago

eliassaabBest ResponseYou've already chosen the best response.2
Let \[s =\frac {a+b+c}{2}=\frac 5 2\\ Area= \sqrt{ s(sa)(sb)(sc)}=\frac {\sqrt{15}}{4} \]
 one year ago

amistre64Best ResponseYou've already chosen the best response.1
if never been fond of the heron formula :)
 one year ago

Chiomatn93Best ResponseYou've already chosen the best response.0
im getting decimals
 one year ago

eliassaabBest ResponseYou've already chosen the best response.2
\[ \frac{\sqrt{15}}{4}\approx 0.968246 \]
 one year ago
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