Yang nomor 5 dan 7 Tolong dijawab besok dikumpulkan #terimakasih

5.

Panjang busur minor (kecil)
= (72/360). 22/7 × 28
= 1/5 . 88
= 17.6

Panjang busur mayor
= 4/5 . 22/7 × 28
= 4/5 . 88
= 70.4

Selisih => 70.4 - 17.6 = 52,8 [C]

7.

Kll □ = 4×S
=> 4. 14 = 56

Kll 1/2 ○ = 1/2. p.d
=> 1/2 . 22/7 . 14 = 22

Kll yang diarsir = Kll□ - Kll○
=> 56 - 22 = 34cm [B]