luas bangun datar di samping adalah.... Tolong pake cara

L trapesium=jml sisi sjajar/2×t
L trpesium=36+42/2×30
=78/2×30
=39×30
=1.170 cm²(d)
maaf klo slah

L Trapesium = 1/2 x (a + b) x t


= 1/2 x (36 + 42) x 30


= (1/2 x 78) x 30


= 39 x 30


= 1.170 cm² ( D )



Semoga membantu :-)