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shayanreloaded
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If a2 + b2 + c2 = 250 and ab + bc + ca = 3, then a + b + c is
 2 years ago
 2 years ago
shayanreloaded Group Title
If a2 + b2 + c2 = 250 and ab + bc + ca = 3, then a + b + c is
 2 years ago
 2 years ago

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WAHEEDAHMED Group TitleBest ResponseYou've already chosen the best response.3
shayan use here the formula of (a+b+c)^2 this would help
 2 years ago

asnaseer Group TitleBest ResponseYou've already chosen the best response.0
follow suggestion by waheedahmed and answer should become abvious
 2 years ago

shayanreloaded Group TitleBest ResponseYou've already chosen the best response.0
thanks a lot 16 ans
 2 years ago

shayanreloaded Group TitleBest ResponseYou've already chosen the best response.0
or 16?
 2 years ago

shayanreloaded Group TitleBest ResponseYou've already chosen the best response.0
Area of triangle, having sides as 8, 11 and the perimeter 32 is
 2 years ago

ezhyl_marie Group TitleBest ResponseYou've already chosen the best response.0
(a + b + c)^2= a^2 + b^2 + c^2 + 2(ab + bc + ca), since, a^2 + b^2 + c^2 = 250 and ab + bc + ca = 3, (a + b + c)^2 = 250 + 2(3) = 256 = 16^2 therefore: a + b + c = 16 ,.
 2 years ago

shayanreloaded Group TitleBest ResponseYou've already chosen the best response.0
why not 16?
 2 years ago

shayanreloaded Group TitleBest ResponseYou've already chosen the best response.0
Area of triangle, having sides as 8, 11 and the perimeter 32 is
 2 years ago

WAHEEDAHMED Group TitleBest ResponseYou've already chosen the best response.3
area is always taken positive shayanreloaded thats why...
 2 years ago

shayanreloaded Group TitleBest ResponseYou've already chosen the best response.0
lol these are 2 dif qs
 2 years ago

WAHEEDAHMED Group TitleBest ResponseYou've already chosen the best response.3
i have given u the answer of above shayan
 2 years ago

WAHEEDAHMED Group TitleBest ResponseYou've already chosen the best response.3
not the second one
 2 years ago

shayanreloaded Group TitleBest ResponseYou've already chosen the best response.0
for first 16 is possible right? and help wid 2nd
 2 years ago

WAHEEDAHMED Group TitleBest ResponseYou've already chosen the best response.3
you had asked why not 16 for that
 2 years ago

WAHEEDAHMED Group TitleBest ResponseYou've already chosen the best response.3
no area cant be 16 shayan
 2 years ago

shayanreloaded Group TitleBest ResponseYou've already chosen the best response.0
this is fr 1st question which is not bout area
 2 years ago

WAHEEDAHMED Group TitleBest ResponseYou've already chosen the best response.3
ok my mistake both 16 and 16 are possible sorry about that shayan ...i hope u would understand
 2 years ago

shayanreloaded Group TitleBest ResponseYou've already chosen the best response.0
yeah i do now 2nd ques lol
 2 years ago

WAHEEDAHMED Group TitleBest ResponseYou've already chosen the best response.3
do you know the formula for perimeter shayan the solution is in it
 2 years ago

shayanreloaded Group TitleBest ResponseYou've already chosen the best response.0
hm add sides?
 2 years ago

shayanreloaded Group TitleBest ResponseYou've already chosen the best response.0
3rd side is 13 i dont think i rem. herons formula
 2 years ago

WAHEEDAHMED Group TitleBest ResponseYou've already chosen the best response.3
after getting third side u will find s=a+b+c/2
 2 years ago

shayanreloaded Group TitleBest ResponseYou've already chosen the best response.0
16 ok
 2 years ago

Siddharth18 Group TitleBest ResponseYou've already chosen the best response.0
16 is the answer
 2 years ago

WAHEEDAHMED Group TitleBest ResponseYou've already chosen the best response.3
now use this A=squareroot(s(sa)(sb)(sc)
 2 years ago

WAHEEDAHMED Group TitleBest ResponseYou've already chosen the best response.3
did u get the answer shayan
 2 years ago

shayanreloaded Group TitleBest ResponseYou've already chosen the best response.0
43.8?
 2 years ago
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