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In this lesson, we will learn how to find the area of a circle given its radius or diameter using the formula Οr^2 or Ο(d/4)^2 and solve real-world problems.
Q1:
Work out the area of the circle, giving your answer accurate to two decimal places.
Q2:
Work out the area of the circle, giving your answer as a fraction of π .
Q3:
π΄ π΅ and πΆ π· are two parallel chords on the same side of a circle. The radius of the circle and the length and π΄ π΅ is 12 cm and the length of πΆ π· is πΆ π· = 1 8 c m . Find the area of the part included between the two chords giving the answer to two decimal places.
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