Question

in this figure O is the centre find value of x​

Answer 1

Answer:

In dbc,

angle dbc=angle dac.....angles in same segment

therefore angle dbc=x

In triangle dbc

angle dcb=90°......angle in a semicircle since db is a diameter

therefore ..

2x+x+90=180.... angle sum property of triangle

3x=90

x=30°=angle dac

Hope it helps!!

Step-by-step explanation:

#BAL #answerwithquality

Answer 2

Answer:

x=30

Step-by-step explanation:

x+2x+90=180

3x=180-90

3x=90

x=30