Tolong jawab nomor 35 dan 38 Please pake cara

35.
Lp = 4x12² + 4x12x36 + 2x12²
= 576 + 1.728 +288
= 2.592 cm²
jawaban : B

38.

Katun = 100% - (25+15+28)% = 32%
terjual = 2.800 x 32% = 896 meter
jawaban : D

38. Katun = 100% - ( 25+15+28%)
= 100% - 68% = 32%
Terjual = 2800 di Kali 32% = 896

Sorry saya ga tau nomor 35
Sorry Klo salah