if A(3,0) B(0,4) and C(0,0) are the vertices of a triangle find length of AC without plotting

Answer : 

we can find out the length of the AC without plotting , by using distance formula , As we know  

d = x2 - x12 + y2 - y12

So to find length of AC we get A (  3 , 0 )  and C ( 0 , 0 ) 
here 
x1 =  3  and x2  = 0 
y1 = 0  and y2 = 0 
So,
length of AC  = 0 - 32 + 0 - 02  = -32 + 0 = 9   =   3 unit                        ( Ans )

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plz check the question!!!!!!!!!!!!!

  • -1

it is the same question

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