115 Isocèle Raisonner
=
:
11
ABC est un triangle isocèle en A tel que AB =
BC.
12
1. Dans cette question, on prend BC = 6 cm.
a. Calculer la longueur AB.
b. Construire le triangle ABC.
2. On nomme x la longueur du segment BC. Exprimer
en fonction de x le périmètre du triangle ABC.

none.

step-by-step explanation:

m

1

=

5

m1=5

b

=

−

1

b=-1

find the slope and y-intercept of the second equation.

tap for more

m

2

=

0

m2=0

b

=

−

6

b=-6

compare the slopes

m

m of the two equations.

m

1

=

5

,

m

2

=

0

m1=5,m2=0

compare the two slopes in the decimal form. if the slopes are equal, then the lines are parallel. if the slopes are not equal, then the lines are not parallel.

m

1

=

5

,

m

2

=

0

m1=5,m2=0