There are 180 degrees in a triangle so 180-36 which is 144 and since you’re looking for two angles, you divide 144 by 2 and you get those two angles.
So x=72
Answer:
Option 1
Step-by-step explanation:

17128.........................
Answer:
Age= 15
Step-by-step explanation:
Let a be for age at the moment
(a-3)^2 =6(a+9)
a^2-6a+9=6a+54
a^2-12a-45
(a-15)(a+3)
a=15 or a=-3
Age cannot be negative (-)
Therefore
Age =15