Answer:
12x-15
Step-by-step explanation:
A triangle has 3 sides
An equilateral triangle has 3 sides that are all the same length
The perimeter of a triangle is
P = s1+s2+s3
P = 4x-4 + 4x-5+4x-5
Combine like terms
P = 12x -15
Hello !
Look at the picture
the 2 one
what is the bottom one
you can do
72+y + the bottom= 180
(sum of all angles of triangle is 180)
Step-by-step explanation:Let's solve your equation step-by-step.
−
2
x
4
=
+
3
Step 1: Add 4x to both sides.
Step 2: Add 4 to both sides.
7
Step 3: Divide both sides by 2.
