# Search by Topic

#### Resources tagged with Radius (radii) & diameters similar to First Forward Into Logo 4: Circles:

Filter by: Content type:
Stage:
Challenge level:

##### Other tags that relate to First Forward Into Logo 4: Circles
chemistry. sport. Logic. Recursion. Practical Activity. STEM - General. Programming. Logo. Pythagoras' theorem. Circles.

### There are 3 results

Broad Topics > 2D Geometry, Shape and Space > Radius (radii) & diameters

### Sports Equipment

##### Stage: 2 Challenge Level:

If these balls are put on a line with each ball touching the one in front and the one behind, which arrangement makes the shortest line of balls?

### Coins on a Plate

##### Stage: 3 Challenge Level:

Points A, B and C are the centres of three circles, each one of which touches the other two. Prove that the perimeter of the triangle ABC is equal to the diameter of the largest circle.

### Not So Little X

##### Stage: 3 Challenge Level:

Two circles are enclosed by a rectangle 12 units by x units. The distance between the centres of the two circles is x/3 units. How big is x?