Mathematics for IGCSE & O level - Using A Calculator (Section 2 - No. 17)

What is the formula used to find area?

$$ A = 4pi r^2 $$

$$ A = r^2 $$

$$ A = 2pi r $$

None of the above

Vysvetlenie

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

Pripomienky (0)

Reklama