" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
150 = 1/2 × 15 × (3x + 2)
150 = 1/2 × (45x + 30)
300 = 45x + 30
45x = 300 - 30
45x = 270
x = 6
d₂ = 3x + 2
= 3(6) + 2
= 18 + 2
= 20 cm
3x = 18
x = 6
Kenapa d2 tinggal dikalikan 2 ? Karena d2 itu sudah dihitung yang 1/2 nya, Maaf kalau penjelasannya berbelit belit