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Rearange the equation to make r the subject of the formula. So we divide both sides by 2(pi)

Describe hobby and attribute pesonal qualities, such as team work, enthusiasm. Appropriet choice of hobbies. Aiming to teach the student how to write about themselves constructively for a work/ university...

Area of a cirlce = π x r^2

The radius (r) = the diameter / 2

So, r = 60/2 = 30

Therefore, the area of the ice rink = π x 30^2 = 900π

Enzyme has a specific active site. Only one substrate will fit the active site.

Surds are irrational numbers that can't be represented accurately as a fraction or reccuring decimal, so they are left as a square root. For example:  √  3 . Calculate the square root of 3 using your calc...