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L2 = (23 + 19) x 23/2 = 42 x 23/2 = 483
Ltotal = L1 + L2 = 483 + 483 =966cm D
semoga membantu
= 23 x 46 ⇒ ( 23 + 23 = 46 ) / 2
= 23 x 46 /2
= 1058 / 2
= 529
- luas trapesium = ( a + b ) x t / 2
= ( 23 + 19 ) x 23 / 2
= 42 x 23 / 2
= 966 / 2
= 483
luas bangun gabungan = LS + LT
= 529 + 483
= C. 1.012
#SEMOGAMEMBANTU∪_∪