In a triangle ABC, where BD is a median, if angle ABD is 15 degrees and angle DBC is 30 degrees, find the measure of angle A.
*This entry contributed by Sumith Peiris, Moratuwa, Sri Lanka. Trigonometry is not allowed.
*

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Geometry Problems

Ten problems: 1411-1420

Visual Index

Open Problems

All Problems

Triangle

Midpoint

Median

Congruence

30 degree angle

Angles

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