4 Slides • 2 Questions

Matematika Kelas 6

Luas permukaan bangun ruang

By Mrs Salwiyah

Prisma

contoh :

a. Sebuah Prisma mempunyai alas berbentuk segitiga siku-siku dengan panjang rusuk alas 12 cm, 5 cm dan 13 cm. Jika tinggi prisma 7 cm, berapakah luas permukaan prisma tersebut?

Penyelesaian :

L = 2 x L alas + t prisma x K alas

= 2 x ½ x 12 x 5 + 7 ( 12 + 5 + 13 )

= 60 + 210

= 270 cm²

Open Ended

Sebuah Prisma yang alasnya berbentuk belah ketupat dengan panjang diagonal 16 cm dan 12 cm. Jika tinggi prisma 12 cm, hitunglah luas permukaan prisma tersebut!

Type response here

Open Ended

Sebuah prisma dengan alas berbentuk persegi panjang mempunyai luas selimut 200 cm². Jika tinggi prisma 10 cm² dan panjang alasnya 6 cm, tentukan luas permukaan prisma tersebut!

Type response here

Matematika Kelas 6

Luas permukaan bangun ruang

By Mrs Salwiyah

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