tyreekboyd9655 tyreekboyd9655

21-06-2022
Mathematics

contestada

A, b, c and d are points on the circumference of a circle, centre o.
ed is a tangent to the circle.
angle odb = 25 degrees.
work out angle bad.
you must give a reason for each stage of your working.

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Medunno13 Medunno13

21-06-2022

Arc DB measures 25 degrees (the measure of a central angle is equal to the measure of the arc it intercepts)
Angle BAD measures 12.5 degrees (an angle inscribed in an arc has half the measure of the arc it is inscribed in)

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