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4 votes
Calculer l'aire d'une crêpe cuite sur une crêpière de 40 cm de diamètre

User Basso
by
8.8k points

2 Answers

4 votes

Answer:

1257cm²

Explanation:

L'aire d'un cercle =
\pi

=
\pi
(d)/(2)²

=
\pi
(40cm)/(2)²

=
\pi(20cm)²

=
\pi400cm²

= 1256.63706144cm²

User Aamir Rizwan
by
8.3k points
6 votes
Answer is 455444. It’s wrong but Type in English, maybe you’ll find help.
User Chandra Mohan
by
8.7k points