Jawaban:
c. 408
Penjelasan dengan langkah-langkah:
=>( 1/2 ×s alas ×t alas)+ (3× 1/2 ×s alas × t sisi tegak)
LP=>(1/2× 12×8 ) + (3× 1/2×12 ×20)
=> 48 + 360
=> 408
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Jawaban:
c. 408
Penjelasan dengan langkah-langkah:
Rumus=> L alas +3×L sisi tegak
=>( 1/2 ×s alas ×t alas)+ (3× 1/2 ×s alas × t sisi tegak)
LP=>(1/2× 12×8 ) + (3× 1/2×12 ×20)
=> 48 + 360
=> 408
Jawaban:
Penjelasan dengan langkah-langkah: