Describe the error in finding the area of the kite.
A = (3.6)(5.4)
= 9.72
So, the area of the kite is 9.72 square units.
The incorrect formula was used for area.
o There was a calculation error in evaluating (3.6) (5.4).
0 The side lengths were used instead of the diagonals.
The values of 3 and 5 should have been used instead of 3.6 and 5.4.
Correct the error
-
square units

He ! a group of farmers planned to clean 80 acres of wheat per day to finish the work on schedule. right before the work started, they received a new piece of machinery that them clean 10 more acres per day than originally planned. as a result of increased productivity in the last day before the deadline they only had to clean 30 acres. how many acres of wheat did the group of farmers have to clean?