Question

tolong ya kakak kakak cara dan jawabannya​

Answer 1

Penjelasan dengan langkah-langkah:

8.

• luas = π × r × r = 22/7 × 35 × 35 = 22 × 5 × 35 = 350 cm
• keliling = π × d = π × 2 × r = 22 /7 × 2 × 35 = 22/7 × 70 = 220 cm

9. keliling 2 1/2 lingkaran

= 2 1/2 × π × d

= 2 1/2 × 3,14 × 20

= 157 cm

maaf jika salah

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