Math Problem Statement
Solution
The image shows a problem where we are asked to find the area of the shaded region in a sector of a circle. The sector area and the triangle area are provided, and we need to subtract the triangle area from the sector area to get the shaded region.
Given:
- Sector Area =
- Triangle Area =
The area of the shaded region can be found by:
Now, let's calculate that.The area of the shaded region is , rounded to four decimal places.
Do you want any further details or have any questions?
Here are 5 related questions to deepen your understanding:
- How is the sector area of a circle calculated?
- What formula is used to find the area of a triangle in this context?
- How would the result change if the central angle of the sector were different?
- What is the relationship between the triangle and the sector in terms of geometry?
- How can this approach be applied to find shaded areas in other geometric figures?
Tip: When working with sectors, always ensure the angle is in the correct unit (degrees or radians) when applying formulas.
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Math Problem Analysis
Mathematical Concepts
Geometry
Circle Sectors
Triangle Areas
Shaded Region
Formulas
Area of the sector = (θ / 360) × π × r²
Area of a triangle = 1/2 × base × height
Shaded area = Sector area - Triangle area
Theorems
Central Angle Theorem
Area of Sector
Basic Triangle Area Formula
Suitable Grade Level
Grades 9-10
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