Math Problem Statement

Calculate the missing angle of this hexagon.

Solution

To calculate the missing angle of the hexagon:

Step-by-Step Solution:

  1. Sum of Interior Angles of a Hexagon: The formula for the sum of interior angles of a polygon is: Sum of interior angles=(n2)×180\text{Sum of interior angles} = (n - 2) \times 180^\circ For a hexagon (n=6n = 6): Sum=(62)×180=720\text{Sum} = (6 - 2) \times 180^\circ = 720^\circ

  2. Add the Known Angles: The given angles are: 132,136,125,108,110132^\circ, 136^\circ, 125^\circ, 108^\circ, 110^\circ Their sum is: 132+136+125+108+110=611132 + 136 + 125 + 108 + 110 = 611^\circ

  3. Calculate the Missing Angle: Subtract the sum of the known angles from the total sum: Missing angle=720611=109\text{Missing angle} = 720^\circ - 611^\circ = 109^\circ

Final Answer:

The missing angle is 109°.

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Related Questions:

  1. How do you calculate the sum of interior angles for any polygon?
  2. What is the formula for the exterior angle of a regular polygon?
  3. Can the angles of an irregular polygon ever add up to less than (n2)×180(n-2) \times 180^\circ?
  4. How would the calculation change for a heptagon (7 sides)?
  5. What are practical applications of calculating angles in polygons?

Tip:

Always double-check the sum of given angles before calculating the missing angle to ensure no input errors.

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Math Problem Analysis

Mathematical Concepts

Polygon Interior Angles
Hexagon Geometry
Angle Sum in Polygons

Formulas

Sum of interior angles of a polygon: (n - 2) × 180°
Missing angle calculation: Total angle sum - Sum of known angles

Theorems

Polygon Interior Angle Theorem

Suitable Grade Level

Grades 6-8