When dealing with circles, you will need to use π (pi). This is a mathematical constant used to calculate the circumference and the area of circles. Remember it to three decimal places at least. Here’s pi to 100 decimal places, just in case you'd like to memorise it: 3.1415926535897932384626433832795028841971693993751058209749445923078164062862089986280348253421170679 Related Test: 11 Plus (11+) Maths Practice Test: Perimeter and Area (Very Easy) 11 Plus (11+) Maths Practice Test: Perimeter and Area (Easy)
When dealing with circles, you will need to use π (pi). This is a mathematical constant used to calculate the circumference and the area of circles. Remember it to three decimal places at least. Here’s pi to 100 decimal places, just in case you'd like to memorise it: 3.1415926535897932384626433832795028841971693993751058209749445923078164062862089986280348253421170679 Related Test:
11 Plus (11+) Maths Practice Test: Perimeter and Area (Very Easy)
11 Plus (11+) Maths Practice Test: Perimeter and Area (Easy)
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