ExamPrepWay
Learn + Solve: Shortcut, Trap & Fast Route Click to view shortcut, steps, and common mistake
Solve this faster with the right shortcut first
- Fix the shape.
- Choose the matching formula.
- Substitute values with units.
Correct Answer: C
Correct Answer: C
Method / Topic: Geometry
The answer uses the formula that matches the figure and target quantity.
Short Explanation
Detailed Explanation
Correct Answer: C
Method / Topic: Geometry
A regular decagon has ten equal interior angles. Using ((n-2)×180)/n gives 144 degrees.
See full explanation + shortcut trick
Compare the quick idea with the premium step-by-step explanation and faster solving trick for this pattern.
Learn + Solve: Shortcut, Trap & Fast Route Click to view shortcut, steps, and common mistake
Shortcut used, common trap, and the fastest solving route
- Fix the shape.
- Choose the matching formula.
- Substitute values with units.
What is each interior angle of a regular decagon?
Explanation
Correct Answer: C
Method / Topic: Geometry
The answer uses the formula that matches the figure and target quantity.
Short Explanation
Detailed Explanation
Correct Answer: C
Method / Topic: Geometry
A regular decagon has ten equal interior angles. Using ((n-2)×180)/n gives 144 degrees.
See full explanation + shortcut trick
Use the free answer check first, then unlock the complete breakdown, shortcut path, and richer explanations for similar questions.
Keep Practicing This Pattern
Recommended Next Practice
Use these suggestions after solving the practice questions above.