Question

va rog ajutatima dau coroana!!​

Answer 1

< DOE = 60 => <AOB/2 + < BOC/2 = 60 =>(fiindcă <BOC = 5AOB)

<AOB/2 + 5AOB/2 = 60

6<AOB/2 = 60 =>

<AOB = 2*60/6

<AOB = 20

<BOC = 5<AOB

<BOC = 5 * 20

< BOC = 100

<AOC = <AOB + <BOC

<AOC = 20 + 100

<AOC = 120