Answer:
the triangle
Step-by-step explanation:
You can see it. When you cut the shape there, it makes a triangle shape on the place where it is cut right?
1 is B
2 is B
3 is D
4 is C
Dont care enough to explain all of them
(1) equilateral
(2)isosceles
(3)scalene
(4)right
(5)acute
(6)obtuse
Answer: about 1 cm