Luas gambar di atas adalah..... cm² A. 425 B.435 C.455 D.475 PAKAI CARA YA TOLONG

[(20+30) x 10 / 2] + [(20+15) × 10 /2]
[50x10/2] + [35x10/2]
250+175
425(A)

L1= ½(a+b)×t
= ½(30+20)×10
=250 cm2
L2=½(a+b)×t
=½(15+20)×10
=175 cm2
L bangun=250 cm2+175 cm2=425 cm2 (A)