Civil Service Exam Reviewer · Measurement and Geometry · medium

What is the sum of the interior angles of a polygon with 14 sides?

  1. 2520°
  2. 1080°
  3. 360°
  4. 2160°

Answer

D. 2160°

Solution

Sum = (n − 2) × 180° = 12 × 180° = 2160°.

More Measurement and Geometry questions

  1. Convert 212 °F to degrees Celsius.
  2. Convert 126 km/h to meters per second.
  3. Convert 23 inches to cm. (1 inch = 2.54 cm)
  4. The legs of a right triangle measure 6 cm and 8 cm. How long is the hypotenuse?
  5. What is the volume of a cube with edges of 2 cm?
  6. What is the volume of a box 15 cm long, 15 cm wide and 8 cm high?
  7. A trapezoid has parallel sides of 17 m and 49 m and a height of 26 m. What is its area?
  8. What is the area of a circle with a radius of 29 m? (Use π = 3.14)
  9. What is the supplementary of a 26° angle?
  10. What is the area of a triangle with a base of 15 cm and a height of 14 cm?

All Measurement and Geometry questions