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A circle of radius rrr has circumference [...]\text{[...]}[...].

A

Multiply by π180\frac{\pi}{180}180π​.

B

137.5∘137.5^\circ137.5∘.

C

A=12(52)(1.2)=15A=\frac12(5^2)(1.2)=15A=21​(52)(1.2)=15 cm².

D

A circle of radius rrr has circumference C=2πr\boxed{C=2\pi r}C=2πr​.

Card 1 of 20

1.5.4 Radian measure (A-level only) Flashcards

  1. A Level
  2. /Maths
  3. /1.5.4 Radian measure (A-level only)

20 flashcards on OCR A Level Maths 1.5.4 Radian measure (A-level only): the key formulae, methods and definitions you need to recall for Paper 1, Paper 2 and Paper 3.

Flashcards