Question

can you explain how to solve this with proper details​

Answer 1

Answer:

Step-by-step explanation:

30 degrees

Answer 2

Answer:

30°

Step-by-step explanation:

OB =6 (radius)

.: OC = 6

BOC = 18 cm (perimeter)

.: BC =6 Cm

now length of 3 sides are equal

.: the Angles must be equal

.: BOC = 60° (60+60+60=360)

As we know ,

BOC /2= BAC

.: BAC = 30 °