The length of a rectangle is eight times it's width. if the length was decreased by 10 meters and the width decreased by 2 meters the area would be decreased by 162 m. find the original dimensions.

On a bicycle trail, the city is painting arrows like the one shown below: upper pointing arrow with height of 11 and length of 9. rectangular base of arrow has length of 7 and height of 8. all units are in centimeters. calculate the area of the arrow by decomposing it into rectangles and triangles. 66.5 square centimeters 69.5 square centimeters 83 square centimeters 99 square centimeters