tolong dong no 25 dan 26 ya.. please pakai cara

25. L=(½×(28+56)×14 ) - (½πr²)
=(½×84×14) - (½.22/7.14²)
=588 cm² - 308 cm²
=280 cm²

26. L=½πr²
= ½.22/7.14²
=308 cm²

L=½πr²
=½.22/7.21²
=693 cm²

Luas total = 693-308
=385 cm²