Question

A 3% downgrade curve is followed by a 1% upgrade curve and the rate of change of grade adopted is .1%par 20 m length the length of respective vertical curve is

Answer 1

Answer:

answer is 800

Step-by-step explanation:

because the upgrade  is 1% , downgrade is 3%

totally 4%

0.1% = 20m

10*0.1=10*20

1%=200m

4%= 4 *200=800m