Answer:
32000 tonnes
Step-by-step explanation:
Given there was a 20% reduction last year from a total of 40000 tonnes .
20% /100% x 40000
0.2 x 40000
8000tonnes
Therefore, previous year’s excerpt = 40000 - 8000
32000tonnes
Answer:
52°
Step-by-step explanation:
The angle 38° and m∠1 equal 90°, so 90-38=52.
Length of sector of circle: look up the formula
