Answer: The sum of the lengths of any two sides of a triangle must be greater than the length of the third side. Since, 11 + 21 > 16, 11 + 16 > 21, and 16 + 21 > 11, you can form a triangle with side lengths 11 mm, 21 mm, and 16 mm.
Step-by-step explanation:
Answer:
15$
Step-by-step explanation:
35-10=25$
25-5=20$
20-5=15$
Answer: 13 is c im pretty sure and 14 is a im think hope fully it helps
Step-by-step explanation:
Triangular prism: 2 bases and 5 faces
Pentagonal prism: 2 bases and 7 faces
You take it like this=
8
-3
~~
3
+
3
+
3
-
1
~~
(4×2)
-
3
~~
[[5]]
《5+8》
/ \
| 13 |
\ /
