Math Problem Statement
Solution
Based on the provided image and information, you want to find the angle in the circle with as its center.
To solve this:
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Identify Central and Inscribed Angles:
- is an inscribed angle that subtends arc .
- is also an inscribed angle that subtends arc .
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Relate Inscribed Angles to Central Angles:
- The central angle subtends the same arc as the inscribed angle . Recall that a central angle is twice the inscribed angle subtending the same arc.
- Similarly, is the central angle subtending the arc , which is twice .
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Calculate and :
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Combine Angles to Find :
- Since is the center, the full angle around point is .
- If and , then is part of the remaining circle not covered by these two angles.
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Confirm Calculation by Considering Arcs:
- The arc covered by and together is . Since and collectively cover the circle along with arc , we should verify the total.
- gives .
Since the text asks specifically for , we conclude it is .
Would you like further details or have any other questions? Here are some additional topics you might find interesting:
- How to calculate the remaining angles in the circle.
- The difference between central and inscribed angles.
- Applications of circle theorems in real-life situations.
- How to construct a circle with given angles using a compass.
- The properties of chords and tangents in relation to circle angles.
Tip: Always verify your calculations by ensuring that all angles around a point sum up to and that all angles in a triangle sum up to .
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Math Problem Analysis
Mathematical Concepts
Geometry
Circle Theorems
Angles in Circles
Formulas
Central angle = 2 × Inscribed angle
Sum of angles around a point = 360°
Theorems
Central and Inscribed Angle Theorem
Angle Sum Theorem
Suitable Grade Level
Grades 8-10
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