Bantu jawab plisss,,beserta rumus dan carax yaaa✌️✌

9) a) tinggi segitiga pda sisi tegak
√12² + 5² = √144 + 25
= √169
= 13 cm
b) Lp = La+(4•Lsegitiga)
= 10•10 + (4•½•10•13)
= 100+260 = 360cm²
10) V = ⅓•La•t
1024 = ⅓•(16•16)•t
1024 = ⅓•256•t
4 = ⅓•t
12 = t