Determine whether r(–2.46, –0.16), o(0.64, 3.98), and q(1.48, 0.94) are the coordinates of the vertices of a triangle

Avery’s piggy bank has 300 nickels, 450 pennies, and 150 dimes. she randomly picks three coins. each time she picks a coin, she makes a note of it and puts it back into the piggy bank before picking the next coin.