Question

5th question alone. This is very very urgent.

Answer 1

Step-by-step explanation:

Solution is written above

Very simple easy steps

Answer 2

AOC = a

BOC = b

a - 2b = 30

a = 30 + 2b ------(1)

AOC + BOC = 180 (Linear pair)

a + b = 180

30 + 2b + b = 180 (From (1))

30 + 3b = 180

3b = 180 - 30

3b = 150

b = 150/3

b = 50

So, b = 50

a = 30 + 2b = 30 + 2(50) = 30 + 100 = 130

Therefore a = 130, b = 50