Math Problem Statement
Perhatikan lingkaran O di samping. Diketahui m∠BAD dan m∠BCD berturut-turut adalah (2x+10) dan (3x+20), maka nilai mzBOD minor adalah
Solution
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Math Problem Analysis
Mathematical Concepts
Geometry
Angles in a Circle
Arc Measure
Formulas
Sum of two inscribed angles facing the same arc equals half of the central angle: m∠BAD + m∠BCD = (1/2) * m∠BOD
Theorems
Inscribed Angle Theorem: The measure of an inscribed angle is half the measure of the central angle that subtends the same arc.
Suitable Grade Level
Grades 10-12
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