Tolong di jawab,besok di kumpul

Bangun 1 = 17 × 17 = 289
Bangun 2 = 1/2 × 12 × 17 = 102
Bangun 1 + Bangun 2
289 + 102 = 391 cm^2

#SemogaMembantu :v

Persegi=s x s
=17^2=289
Segitiga=1/2 x a x t
=1/2 x 12 x 17 =102
289 + 102= 391