92.3k views
2 votes
I need help on number 14 please please

I need help on number 14 please please-example-1

1 Answer

2 votes

Answer:

A. 5 cm

Explanation:

AB = BC

x + 3 = 3x - 1

x - 3x = -1 - 3

-2x = -4

x = -4/-2

x = 2

BC = 3x - 1 = 3(2) - 1 = 6 - 1 = 5

User BlackJack
by
7.1k points