tolong di jawab pake cara y

Bab Bangun datar

Bangun Layang Layang

D1 = 15 + 6 = 21 cm
D2 = 8 + 8 = 16 cm

L = 1/2 × d1 × d2
L = 1/2 × 21 × 16
L = 21 × 8
L = 168 cm^2

luas=diagonal1×diagonal2per 2
=21×16/2(karena 15 dan 6 disatukan dan8 dan8 disatukan)
==336/2
=168
mkasih