Question

9th class maths 4th chapter sum what value of x would make AOB a line in the figure, if <AOC=4x and<BOC=6x30°​

Answer 1

Answer:

15

Step-by-step explanation:

<AOC=4x

<BOC=6x + 30

<AOC + <BOC = 180° (Linear pair)

4x + 6x + 30 = 180°

10x = 180 - 30

10x = 150

x= 150/10

x = 15°

<AOC = 4×x = 4 × 15 = 60°

<BOC = 6x + 30 = 6 × 4 + 30 = 74°