Diketahui: ED = 17, DC = 12, AB = 20, AD = 16
Ditanya: Luas ABCDE
Jawab: cari luas trapesium: 1/2×(12+20)×16 = 176
cari luas segitiga: 1/2×16×15 = 120
dijumlahkan = 120+176 = 296
btw, 15 (tinggi segitiga)ny di pitagoras
" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
Diketahui: ED = 17, DC = 12, AB = 20, AD = 16
Ditanya: Luas ABCDE
Jawab: cari luas trapesium: 1/2×(12+20)×16 = 176
cari luas segitiga: 1/2×16×15 = 120
dijumlahkan = 120+176 = 296
btw, 15 (tinggi segitiga)ny di pitagoras