Tolong bantuannya, Terimakasih..
Jawaban:
162
Penjelasan dengan langkah-langkah:
19 - 7 = 12
= 12 ÷ 2 = 6
t² = 10² - 6²
t² = 100 - 36
t² = 64
t = 8
L1 = a × t
2
= 6 × 8
2
= 48
2
= 24
l = 14 - 8 = 6
L2 = p × l = 19 × 6 = 114
L total = 114 + 24 + 24 = 162
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