Question

If C is the center of the above circle, H is the midpoint of EF, I is the midpoint of EG, and μ (

Answer 1

66

Explanation:

∠HEI = 48

∠ICH = 180 - ∠HEI

= 180 - 48

∠ICH = 132

∠ABD = ∠ICH / 2

= 132/2

∠ABD = 66