Jawaban:
88 cm
Penjelasan dengan langkah-langkah:
Misal, titik potong layang-layang adalah titik P
PF = BC - AF
PF = 22 - 14
PF = 8 cm
PF = PD = 8 cm
PC = √(CD² - PD²)
PC = √(17² - 8²)
PC = √(289 - 64)
PC = √(225)
PC = 15 cm
PC = AB = 15 cm
PE = CE - PC
PE = 21 - 15
PE = 6 cm
EF = √(PF² + PE²)
EF = √(8² + 6²)
EF = √(64 + 36)
EF = √(100)
EF = 10 cm
EF = DE = 10 cm
Keliling
= AF + FE + DE + CD + CB + BA
= 14 + 10 + 10 + 17 + 22 + 15
= 88 cm
" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
Jawaban:
88 cm
Penjelasan dengan langkah-langkah:
Misal, titik potong layang-layang adalah titik P
PF = BC - AF
PF = 22 - 14
PF = 8 cm
PF = PD = 8 cm
PC = √(CD² - PD²)
PC = √(17² - 8²)
PC = √(289 - 64)
PC = √(225)
PC = 15 cm
PC = AB = 15 cm
PE = CE - PC
PE = 21 - 15
PE = 6 cm
EF = √(PF² + PE²)
EF = √(8² + 6²)
EF = √(64 + 36)
EF = √(100)
EF = 10 cm
EF = DE = 10 cm
Keliling
= AF + FE + DE + CD + CB + BA
= 14 + 10 + 10 + 17 + 22 + 15
= 88 cm