Tolong dibantu 1-5 dijawab dengan baik dan benar

1. L = ​1/2​​×18×14
= 9 x 14
= 126 cm²
2. L = 1/2 x 28 x 36
= 14 x 36
= 504 cm²
3. L = 22/7 x 28 x 28
= 22 x 4 x 28
= 2464 cm²
5. L = p x l
96 = ? x 8
? = 96 : 8
? = 12 cm