Search topics

Search
1 of 8 0-day streak

Radius diameter circumference and pi

DIFFICULTYintrostandardchallenge
QUESTION TYPEMix of allChange
radius to diameter exact integerdiameter to radius exact integerNOWMix of allRecommended
Question 1 of 8

Calculator allowed

A circle has a radius of 5 cm

A circle with centre O and a marked radius r from its centre to the boundaryrO
Schematic, not to scale; circumference is the whole curved boundary
1 mark

Calculate the diameter in cm. Give an exact whole number or decimal