A. 1 526 m2 B. 1 442.6 mC.16 512.25 m² D.2018.3 m?
4. A wall with 18 meters long and 4.5 meters wide is to be painted. A square window with 1.6
meters lessens or saves the area. How big is the wall to be painted?
A. 42.56 m2 B. 78.44 m2
C. 81 m2
D. 85.22 m2
5. Nelia cut circular portion with 18.4 centimeter diameter from a square chipboard having 12
centimeter side What is the area of the chipboard left uncut?​