1. In the figure below, ∠BDO=30°. AB is a diameter of the circle O. A, B, C and D are points on the circle. OM⊥DB. 1.1. Write down two more angles that are each equal to 30° with reasons. 1.2. Calculate the size of O2 1.3. If DB=6 units, calculate the length of AB

1. In the figure below, ∠BDO=30°. AB is a diameter of the circle O. A, B, C and D are points on the circle. OM⊥DB. 1.1. Write down two more angles that are each equal to 30° with reasons. 1.2. Calculate the size of O2 1.3. If DB=6 units, calculate the length of AB

Algebra & Trigonometry with Analytic Geometry

13th Edition

ISBN:9781133382119

Author:Swokowski

Publisher:Swokowski

Chapter7: Analytic Trigonometry

Section: Chapter Questions

Problem 25RE

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Question

1. In the figure below, ∠BDO=30°. AB is a diameter of the circle O. A, B, C and D are points on the circle. OM⊥DB.

1.1. Write down two more angles that are each equal to 30° with reasons.

1.2. Calculate the size of O2

1.3. If DB=6 units, calculate the length of AB.

Two-dimensional figure measured in terms of radius. It is formed by a set of points that are at a constant or fixed distance from a fixed point in the center of the plane. The parts of the circle are circumference, radius, diameter, chord, tangent, secant, arc of a circle, and segment in a circle.

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