If a + b+ c = 9 and ab + bc + ca = 26, find a2 + b2 + c2.
1 answer:
You might be interested in
Given that the two triangles are similar:
= 
=
6x + 28 = 4 x 25
6x + 28 = 100
6x = 100 - 28
6x = 72
x = 12
6x + 28 = 4 x 25
6x + 28 = 100
6x = 100 - 28
6x = 72
x = 12