1. The following is a set of notes of the earthworks of a road embankment Sta 1+020 9.0 4.5 +2.0 4.5 6.0 +3.0 +4.0 +1.5 +1.0 Sta 1+040 7.5 4.5 +4.0 4.5 +2.0 9.0 +2.0 +5.0 +3.0 The base of the road is...

Extracted text: 1. The following is a set of notes of the earthworks of a road embankment Sta 1+020 9.0 4.5 +2.0 4.5 6.0 +3.0 +4.0 +1.5 +1.0 Sta 1+040 7.5 4.5 +4.0 4.5 +2.0 9.0 +2.0 +5.0 +3.0 The base of the road is 9.0 m and the side slopes are 1.5:1.Find the quantity of earthwork from sta 1+020 to sta 1+040 by end area method