Question

Si AD=90,hallar la medida de AB ,siendo AB=2BC Y CD=3AB

Answer 1

A-------2x-------B----x----C-----------6x----------D

|-------------------|------------|--------------------------|

|----------------------------90---------------------------|

• 2x + x + 6x = 90
• 9x = 90
• x= 90/9
• x = 10

• AB = 2BC
• AB = 2(10)
• AB = 20