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Solve this faster with the right shortcut first
Shortcut used: Identify the figure and whether area, perimeter, volume, or surface area is asked.
Solve in 3 steps:
- Fix the shape.
- Choose the matching formula.
- Substitute values with units.
Common mistake: Do not use area formula when perimeter or volume is asked.
Question 6
Multiple Choice Question
Question
A circle has a diameter of 14 cm. Find its circumference using π = 22/7.
Explanation
Correct Answer: B
ANSWER
Correct Answer: B
Method / Topic: Geometry
The circumference is 44 cm.
Why this answer is correct
The answer uses the formula that matches the figure and target quantity.
Short Explanation
The circumference is 44 cm.
Detailed Explanation
Question
A circle has a diameter of 14 cm. Find its circumference using π = 22/7.
ANSWER
Correct Answer: B
Method / Topic: Geometry
Circumference = πd = 22/7×14 = 44 cm.
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Question 6
Learn + Solve: Shortcut, Trap & Fast Route Click to view shortcut, steps, and common mistake
Learn + solve
Shortcut used, common trap, and the fastest solving route
Shortcut used: Identify the figure and whether area, perimeter, volume, or surface area is asked.
Solve in 3 steps:
- Fix the shape.
- Choose the matching formula.
- Substitute values with units.
Common mistake: Do not use area formula when perimeter or volume is asked.
Question
A circle has a diameter of 14 cm. Find its circumference using π = 22/7.
Explanation
Correct Answer: B
ANSWER
Correct Answer: B
Method / Topic: Geometry
The circumference is 44 cm.
Why this answer is correct
The answer uses the formula that matches the figure and target quantity.
Short Explanation
The circumference is 44 cm.
Detailed Explanation
Question
A circle has a diameter of 14 cm. Find its circumference using π = 22/7.
ANSWER
Correct Answer: B
Method / Topic: Geometry
Circumference = πd = 22/7×14 = 44 cm.
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