jika keliling lingkaran 264 cm, maka luasnya?

K lingkaran= 2×π×r
264=2×22/7×r
264:2 = 22/7×r
132= 22/7 ×r
42 =r

luas lingkaran = π × r
= 22/7 × 42 × 42
= 22×6 × 42
= 132 × 42
=5544 cm2
maaf kalo salah:)

2.22/7.r = 264
22/7.r = 132
r = 132 x 7/22 = 42

Luas
22/7 × 42 × 42 = 5544