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If a2 + b2 + c2 = 250 and ab + bc + ca = 3, then a + b + c is
 one year ago
 one year ago
If a2 + b2 + c2 = 250 and ab + bc + ca = 3, then a + b + c is
 one year ago
 one year ago

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WAHEEDAHMEDBest ResponseYou've already chosen the best response.3
shayan use here the formula of (a+b+c)^2 this would help
 one year ago

asnaseerBest ResponseYou've already chosen the best response.0
follow suggestion by waheedahmed and answer should become abvious
 one year ago

shayanreloadedBest ResponseYou've already chosen the best response.0
thanks a lot 16 ans
 one year ago

shayanreloadedBest ResponseYou've already chosen the best response.0
Area of triangle, having sides as 8, 11 and the perimeter 32 is
 one year ago

ezhyl_marieBest 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 ,.
 one year ago

shayanreloadedBest ResponseYou've already chosen the best response.0
Area of triangle, having sides as 8, 11 and the perimeter 32 is
 one year ago

WAHEEDAHMEDBest ResponseYou've already chosen the best response.3
area is always taken positive shayanreloaded thats why...
 one year ago

shayanreloadedBest ResponseYou've already chosen the best response.0
lol these are 2 dif qs
 one year ago

WAHEEDAHMEDBest ResponseYou've already chosen the best response.3
i have given u the answer of above shayan
 one year ago

WAHEEDAHMEDBest ResponseYou've already chosen the best response.3
not the second one
 one year ago

shayanreloadedBest ResponseYou've already chosen the best response.0
for first 16 is possible right? and help wid 2nd
 one year ago

WAHEEDAHMEDBest ResponseYou've already chosen the best response.3
you had asked why not 16 for that
 one year ago

WAHEEDAHMEDBest ResponseYou've already chosen the best response.3
no area cant be 16 shayan
 one year ago

shayanreloadedBest ResponseYou've already chosen the best response.0
this is fr 1st question which is not bout area
 one year ago

WAHEEDAHMEDBest 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
 one year ago

shayanreloadedBest ResponseYou've already chosen the best response.0
yeah i do now 2nd ques lol
 one year ago

WAHEEDAHMEDBest ResponseYou've already chosen the best response.3
do you know the formula for perimeter shayan the solution is in it
 one year ago

shayanreloadedBest ResponseYou've already chosen the best response.0
3rd side is 13 i dont think i rem. herons formula
 one year ago

WAHEEDAHMEDBest ResponseYou've already chosen the best response.3
after getting third side u will find s=a+b+c/2
 one year ago

WAHEEDAHMEDBest ResponseYou've already chosen the best response.3
now use this A=squareroot(s(sa)(sb)(sc)
 one year ago

WAHEEDAHMEDBest ResponseYou've already chosen the best response.3
did u get the answer shayan
 one year ago
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