luas lingkaran yang meliki diameter 70 cm adalah....cm

Luas ○ = phi x r²
Luas = 22/7 x 35 cm x 35 cm
Luas = 3.850 cm².

d = 70 cm
r = ½d
= ½ × 70 cm
= 35 cm
L = πr²
= 22/7 × 35 × 35
= 22 × 5 × 35
= 110 × 35
= 3.850 cm²
Semoga membantu yaa^^