TolongDiJawabYaPliss

22). Luas lingkaran besar
= 3,14 x 20 x 20
= 314 x 2 x 2
= 1.256 cm²
Luas 2 lingkaran kecil
= 3,14 x 10 x 10
= 314 x 1 x 1
= 314 cm
= 314 x 2
= 628 cm

Luas gambar yg diarsir
= 1.256 cm² - 628 cm
= 628 cm² ( jawaban b. 628 )