Answer:
134
Step-by-step explanation:
Angle Formed by Two Chords= 1/2(SUM of Intercepted Arcs)
x = 1/2 ( m DH + m BC)
x = 1/2 (144+ 124)
x = 1/2 ( 268)
x = 134
Answer: 60 degrees
r=4.2
cicumference of circle =2Πr=2×3.14×4.2=26.3
