Circles
Math ⇒ Geometry
Circles starts at 7 and continues till grade 12.
QuestionsToday has an evolving set of questions to continuously challenge students so that their knowledge grows in Circles.
How you perform is determined by your score and the time you take.
When you play a quiz, your answers are evaluated in concept instead of actual words and definitions used.
See sample questions for grade 7
A circle has a circumference of 44 cm. What is its diameter? (Use π = 3.14)
A circle has a radius of 3.5 cm. What is its circumference? (Use π = 3.14)
A circle has a radius of 4 cm. What is its area? (Use π = 3.14)
A circular park has a radius of 21 m. What is its area? (Use π = 3.14)
Calculate the circumference of a circle with a diameter of 10 cm. (Use π = 3.14)
Explain the difference between a chord and a diameter of a circle.
If a circle has a diameter of 12 cm, what is its radius?
If a circle has a radius of 10 cm, what is its circumference? (Use π = 3.14)
If the area of a circle is 154 cm², what is its radius? (Use π = 3.14)
If the area of a circle is 201.06 cm², what is its diameter? (Use π = 3.14)
If the circumference of a circle is 62.8 cm, what is its radius? (Use π = 3.14)
If the diameter of a circle is 20 cm, what is its area? (Use π = 3.14)
If the radius of a circle is 7 cm, what is the diameter?
If the radius of a circle is tripled, by what factor does the area increase?
What is the area of a circle with radius 5 cm? (Use π = 3.14)
What is the formula for the circumference of a circle in terms of its radius r?
What is the name of the line segment that passes through the center of a circle and has its endpoints on the circle?
