Step-by-step explanation:
Let l be one side,w be other side and s be diagonal.
We have
s² = l² + w²
l = 8 cm
w = 6 cm
s² = 8² + 6²
s² = 100
s = 10 cm
Taking derivative with respect to time in s² = l² + w²
The diagonal is increasing at 1.8 cm/minute.
i cant understand your question define briefly
Answer:
Yes, and it is already in descending order
2y+1 is the correct answer.