reto wrote:
If in the figure above AM=1.6, DM=1.2 and CB=3. If AC and DB are perpendicular, what is the length of CM?
A. 0.8
B. 1.6
C. 1.8
D. 2.4
E. 2.8
KUDOS for a concise and creative Answer
/_DAC = /_DBC (angle subtended by same arc DC on the circle.)
/_ADB = /_ADC (angle subtended by same arc AB on the circle.)
/_AMD = /_BMC = 90 deg
tria(AMD) ~ tria
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