Bantu tolong please
Jawab: PT = 5,7 cm
Penjelasan dengan langkah-langkah:
Pola 1 :
5/7 = (5+PT)/ (8+7)
15(5/7) = 5+PT
PT = 15(5/7) – 5
=75/7 – 35/7
=40/7 = 5,7 cm
Pola 2:
x/7 = 9/15
x = 9/15 x 7
= 63/15
=4,2
5/4,2 = 5+PT /9
9(5/4,2) = 5+PT
45/4,2 – 5 = PT
PT = 10,7 -5 = 5,7