contestada

B
Diagram NOT
accurately drawn
2
489
D
E
A, Band D are points on a circle, centre O.
CDE is a tangent to the circle.
Angle ADO = 48°
Work out the size of angle ABD.
(4 marks)


please help asap ill give brainliest

B Diagram NOT accurately drawn 2 489 D E A Band D are points on a circle centre O CDE is a tangent to the circle Angle ADO 48 Work out the size of angle ABD 4 m class=

Respuesta :

Answer:

∠ ABD = 42°

Step-by-step explanation:

∠ ODC = 90° ( angle between tangent and radius )

∠ ADC = 90° - 48° = 42°

The angle between a tangent and a chord is equal to the angle in the alternate segment, that is

∠ ABD = ∠ ADC = 42°

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