Answer: x = 3
Step-by-step explanation:
x + 9 = 12
x = 12 - 9
x = 3
3rd one ( not 20 characters so ASHWDHWHEIUCNEJEIH)
Answer:
80 cm
Step-by-step explanation:
5 points in a star, each point has a perimeter of 16,
16 x 5 = 80
or just legit add all the 8's
DONT FORGET TO INCLUDE THE UNITS
Answer:
it is a triangles because the other are the name of the triangle.
Step-by-step explanation: