Mathematics for IGCSE & O level - Using A Calculator (Section 1 - No. 47)

When you calculate the area, what needs to be used?

$$ 4pi r^2 $$

$$ r^2 $$

$$ pi $$

None of the above

Erläuterung

The formula is $$ 4pi r^2 $$.

Kommentare (0)

Werbung