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Mathematics

Mathematics · Quick practice · answer shown after each question

Circles: circumference and area

Question 1 of 10

Question 1 of 10

The diameter is the longest chord of a circle.

Question 2 of 10

Question 2 of 10

The circumference of a circle is 220 cm. Find its radius. (Take π = 22/7.)

Question 3 of 10

Question 3 of 10

The formula for the area of a circle is

Question 4 of 10

Question 4 of 10

π is approximately 3.142.

Question 5 of 10

Question 5 of 10

A straight line joining two points on a circle is a

Question 6 of 10

Question 6 of 10

Find the circumference of a circle of radius 14 cm. (Take π = 22/7.)

Question 7 of 10

Question 7 of 10

The radius is twice the diameter.

Question 8 of 10

Question 8 of 10

Find the circumference of a circle of radius 3.5 cm. (Take π = 22/7.)

Question 9 of 10

Question 9 of 10

Find the circumference of a circle of radius 28 cm. (Take π = 22/7.)

Question 10 of 10

Question 10 of 10

Find the circumference of a circle of radius 7 cm. (Take π = 22/7.)

Questions written by OtisamLMS in the style of the BECE. They are not WAEC past questions.