anonymous
  • anonymous
check please
Mathematics
schrodinger
  • schrodinger
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anonymous
  • anonymous
ParthKohli
  • ParthKohli
Hint: You must use the following theorems. 1) Distance formula for finding the lengths of all the sides. 2) Pythagorean theorem for confirming that we have a right triangle. 3) Heron's formula for finding area.
anonymous
  • anonymous
yeah i did that i just wanted my answers to be checked

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anonymous
  • anonymous
for the sum of the squares of the length of the legs i got 45 and for the square of the lenght of the hypothenuse i got 45 then the area i got 10.67
hartnn
  • hartnn
sum of the squares of the length of the legs is incorrect
hartnn
  • hartnn
how did u get 45 ?
anonymous
  • anonymous
i meant 65 my bad
hartnn
  • hartnn
65 is correct
hartnn
  • hartnn
u wrote 45 there
hartnn
  • hartnn
area is incorrect
anonymous
  • anonymous
so they are both 65 and area 10.67?
hartnn
  • hartnn
they are both 65 <----correct area is not 10.67
hartnn
  • hartnn
what are the lengths of legs u got ?
anonymous
  • anonymous
i have d(A,B)=4 d(b,c)=sqrt65 and d(a,c)=7
hartnn
  • hartnn
yes, so legs are 4 units and 7 units area is half the product of legs
anonymous
  • anonymous
14?
hartnn
  • hartnn
yup
anonymous
  • anonymous
can you check something else for me? last one
hartnn
  • hartnn
sure
anonymous
  • anonymous
hartnn
  • hartnn
not symmetric w.r.t y axis (-2,0) is correct
anonymous
  • anonymous
no? then which one?
hartnn
  • hartnn
if u flip the upper half and lower half, u get the same graph, here x-axis remains axis of symmetry
anonymous
  • anonymous
hmm i see
anonymous
  • anonymous
so (3,0) would be x-axis too?
hartnn
  • hartnn
sorry what ? where does 3,0 come from ??
anonymous
  • anonymous
its another example lol
hartnn
  • hartnn
ok.

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