21/7 = 3 so then, 105/7 = x which is 15
Answer :
1
Step-by-step-explanation :


The answer is 50000+600+70+9
Answer:
I am confused on what you are asking but I think the answer is y=12345x
Step-by-step explanation:
its correct
2D-a^2=2
2(a√2) -a^2=2
a^2-2√2*a+2=0
2a= 2√2 + √(8-4*2) = 2√2
hence, perimeter = 4a = 2*2a=2*2√2 = 4√2