nomor 26 (tlg yaaa guyssss)terimakasihhh banyakkkk

Luas bangun 1 = 7x7 = 49 cm²
Luas bangun 2 = [(7+12) x (I5-7)] : 2 = (19x8) : 2 = 152 : 2 = 76 cm²
Maka L1 + L2 = 49 cm² + 76 cm² = 125 cm²
Semoga benar y, kk.