It is the type of triangle, in which all the three sides are equal to each other.
Hope this helps!
I believe if you simply everything, you will get 17381 over 20 or 17381/20
The answer should be 65. The number be added is doubled. +4,+8, +16, +32 So 32+33=65 65+64=129
Answer: Kg/m³
Step-by-step explanation: Mass/ Volume
21.325 is the correct answer