Mathematics, 18.07.2021 14:00 helper49

A, B and C are points on a circle. EF is a tangent to the circle at C.
D is a point on AC.
Angle CBD:Angle ABD = 3:1.
Find angle ADB.
Give a geometrical reason for each step of your working.

A, B and C are points on a circle.

EF is a tangent to the circle at C.
D is a point on AC.
Angle

Answers: 3

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A, B and C are points on a circle. EF is a tangent to the circle at C.
D is a point on AC.