1.

Show that (a ,a ) (-a,-a ) ( √3a, √3a ) are vertices of an equilateraltriangle.

Answer»

Step-by-step explanation:

a(a,a)

b(-a,-a)

c(√3a,√3a)

m(AB)=y2-y1/x2-x1

= -a-a/-a-a

= -2a/-2a

=1

m(bc)=y2-y1/x2-x1

= √3a+a/√3a+a

=1

m(AC)=y2-y1/x2-x1

= √3a-a/√3a-a

=1

therefore it is an equilateral TRIANGLE



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