Question

kak boleh tolong jawab? maksih yg udh jawab ^^
benar ✅ = BA​

Answer 1

Penjelasan dengan langkah-langkah:

Pembahasan :

• no. 1

Lp :

= 2 × La + Ka × t

= 2 × ( 6 × 8/2 ) + ( 6 + 8 + 10 ) × 12

= 2 × 24 + 288

= 48 + 288

= 336 cm²

___________________________

• no. 2

Lp :

= π × r ( r + s )

= 22/7 × 14 ( 14 + 5 )

= 44 ( 19 )

= 836 cm²

__________________________

• no. 3

Lp :

= 2π × r ( r + t )

= 2 × 22/7 × 3,5 ( 3,5 + 8 )

= 22/7 × 7 ( 11,5 )

= 22 × 11,5

= 253 cm²

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