Question

ajude-me a fazer e entender: Teorema de tales

Answer 1

12m____9m
4m_____x
x.12=4.9
x.12=36
x=36÷12
x=3


5,4____8,1
9 _____x
5,4.x=9.8,1
5,4.×=72,9
x=72,9÷5,4
×=13,5


4_____5
×_____9
×.5=4.9
×.5=36
×=36÷5
×=7,2

×____7
8___10
×.10=8.7
×.10=56
×=56÷10
×=5,6