Yg baik tolongin saya nomor 26 please please please please please please please please please please pleaseeeeee bantuin yaaa! Pakai cara yg mudah dipahami,teri

K setengah lingkaran
= 1/2 . 2.π.r
= 1/2 . 2.22/7.14
= 44 cm

K bangun
= K setengah lingkaran + 2 × 35
= 44 + 70
= 114 cm (D)

Please, let me answer your question :)
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Mapel : Matematika
Tentang : Bangun Datar
Pertanyaan yg diajukan : 1
Pembahasan :

Diketahui :

- ½ Lingkaran :
• d = 28 cm

- Segitiga sama kaki :
• sisi samping : 35 cm x 2 = 70 cm
• alas = 28 cm

Ditanya :
- K Total

KL = ½πd
KL = ½ x 22/7 x 28
KL = ½ x 22 x 4
KL = ½ x 88
KL = 44 cm

KS = sisi samping
KS = 70

K Total : 44 + 70
K Total : 114 cm

Jawaban : (D)

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Hopefully this is the best for you.

MAKE BRAINLY GREAT AGAIN!!!

Heil Manstein!