tolong dijawab plisss pakai cara yaaa

24 ) Luas
= 3/4 × π × r × r
= 3/4 × 3,14 × 20 × 20
= 942 cm2
♧ C ♧

25 ) Keliling
= ( 1/2 × π × d ) + 20 + 14 + 20
= ( 1/2 × 22/7 × 14 ) + 20 + 14 + 20
= 22 + 20 + 14 + 20
= 76 cm
♧ B ♧