berapa Luas .. cm2 Thank

Luas bangun belah ketupat d1.d2/2
d1=10
d2=24

L=10.24/2
=120

luas layang2 = 1/2× d1 × d2
= 1/2× (12+12) × (5+5)
= 1/2 × 24× 10
= 1/2 × 240
= 120 cm²

tolong jadikan jawaban terbaik ಥ_ಥ