Answer:
Step-by-step explanation:
Let the side be s and diagonal be d.
The relationship between the side and diagonal of a square is:
Substitute the value of s to find d:
- d = 12√2 × √2 = 12 × 2 = 24 cm
Yes, 14 is correct.
15: 3^4 - 4
16: 7n - 6
17: n^2 / 8
18: 3n x 9
Answer:
2√10
I hope i am right
Step-by-step explanation:

The answer is B, kilometers.
—Evidence—
•] it is assumed that there are 6 stadia in a kilometer (km), meaning that Eratosthenes found the Earth's circumference to be about 42,000 km