Solve It !!!!!!!!
Geometry
Level
pending
If AQPOB is the diameter of the circle, and AED = 75°, ECD = 105° and CBD = 175°.
Find the measure of angle ADB in degrees.
The answer is 90.
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1 solution
AQPOB is the diameter, therefore AB is the diameter. Hence angle ADB lies on the semi-circle. Angles on the semi-circle are right angles