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misalkan a sama, berarti
1/2t
(5.1/2t) : (3.1/2t)
(5/2t) : (3/2t)
= 5 : 3
5 : 3
5x : 3x
alas kedua segitiga sama, tentukan perbandingan tinggi kedua segitiga itu
LΔA = a x t x 1/2
5x = a x t x 1/2
5x × 2 = a x t
10x = a x t
LΔB = a x t x 1/2
3x = a x t x 1/2
3x × 2 = a x t
6x = a x t
tingginya beda,
maka
6x = a x t1
10x = a x t2
sehingga
Tinggi ΔA : tinggi ΔB
a x t2 : a x t1
6x : 10x
6 : 10
3 : 5