Question

TOLONG JAWAB INI PAKE CARA AAAA

Answer 1

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Mapel : Matematika
Tentang : Bangun Datar
Pertanyaan yg diajukan : 2
Pembahasan :

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Diketahui :

- Trapesium
• a = 48 - 20 = 28 cm
• b = 48 cm
• t = a = 28 cm

- ½ Lingkaran
• d = 28 cm
• r = 28/2 = 14 cm

Ditanya :
- L Total

LT = ½ x (a + b) x t
LT = ½ x (28 + 48) x 28
LT = ½ x 76 x 28
LT = 76 x 14
LT = 1064 cm²

LL = ½ x πr²
LL = ½ x 22/7 x 14 x 14
LL = ½ x 22 x 2 x 14
LL = 11 x 2 x 14
LL = 22 x 14
LL = 308 cm²

L Total : 1064 - 308
L Total : 756 cm²

Jawaban : C

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Diketahui :
- r = 40 cm

Ditanya :
- L

L = ¼ x 3,14 x 40 x 40
L = 3,14 x 10 x 40
L = 3,14 x 400
L = 1256 cm²

Jawaban : B

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