Answer:
Step-by-step explanation First convert from centimeters to meters by dividing by 100
20cm=(20/100)m=0.2m
17cm=(17/100)m=0.17m
So the poster is 0.2 meters long and 0.17 meters wide to compute the area of this rectangle we multiple itβs length by its width
Area=0.2*0.17=0.034msquared: