Answer:
49.5 mi
Step-by-step explanation:
Area of a triangle is A = (height) X (base) / 2
So if you plug in the numbers you get:
806.9 = (32.6) X (base) / 2
1613.8 = (32.6) X (base)
1613.8 / 32.6 = base
base = 49.5 mi
Do £8000 x 5 = answer
Answer divide by 100 = final answer
Answer:
Step-by-step explanation:
Given
Length is increasing at the rate of 
Width is decreasing at the rate of 
Area is given by

So rate of area is




So, area is changing at the rate of 