Question

Tolong dong. plisssssssšśş.........

Answer 1

Yang nomor 13 caranya
luas segitiga= alas x tinggi bagi 2

Answer 2

1) D. 1/2 x AC x BE

12) 
ΔACD = a x t/2
          = 24 x 10/2
          = 240/2 = 120
ΔBCD = a x t/2
          = 9 x 10/2
          = 90/2 = 45
ΔABC = ΔACD - ΔBCD
          = 120 - 45
          = 75 ==> A

13)
ΔKLM = a x t/2
          = 15 x 8/2
          = 120/2 
          = 60 ==> A