" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
98 cm
Penjelasan dengan langkah-langkah:
alas segitiga :
b² = c²-a²
b² = 39² - 15²
b² = 1521 - 225
b² = 1296
b = √1296
b = 36
alas segitiga = salah satu sisi jajar genjang
K = 39 + 15 + 2(4) +36
K = 39 + 15 + 8 + 36
K = 98 cm