Answer: 10.5cm
Step-by-step explanation: the radius is half the diameter. 21/2=10.5
ok is there more info about it
Answer:
C
Step-by-step explanation:
They all have and addition and subtraction pattern in each cube, thank me later - PrObLeM OcCuReD
The answer is 1.048576 x 10 to the 6th power.
No because equilateral has diferentes sides