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Alex simplified the expression 7+(3x 1.4)+5+2+(5x 14) to find the area of the figure on the grid.
What error did Alex make?
O He found the perimeter of the figure instead of the area.
O He added the lengths of the lines creating the indentation instead of subtracting them.
O He used 5x1.4 and 3x 1.4 as the length of each diagonal line instead of 5 and 3.
O He added the five lengths together instead of multiplying them.

Respuesta :

abidemiokin

The error Alex made is that he found the perimeter of the figure instead of the area.

Area and perimeter of shapes

Given the expressions

7+(3x 1.4)+5+2+(5x 14)

He used the expression to simplify the grid

The expression simplified shows that Alex added all the measures of the sides of the grid instead of taking the product of the length and width

Note that the operation Alex performed is the perimeter of the figure instead of the area hence the error Alex made is that he found the perimeter of the figure instead of the area.

Learn more on area and perimeter of figure here: https://brainly.com/question/443376

Answer:

A - He found the perimeter of the figure instead of the area.

Step-by-step explanation:

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