Question

Find BC if B(8,-7) and C(-4,-2).

Answer 1

Step-by-step explanation:

Distance Formula = √ (c1²-b1²) + (c2²- b2²)

BC

= √(-4-8)²+(-2-(-7))²

=√(-12)²+(-2+7)²

=√(-12)²+(5)²

=√144+25

=√169

=±13

Hence BC = +13 or -13