Finding Area on a Coordinate Plane

Question 1

A rectangle has vertices at (2, 11), (2, 4), (6, 11), and (6, 4). Pablo says the area of the rectangle is 49 square units and his work is shown below.StepsPablo’s WorkStep 1Base: Step 2Height: Step 3Area: square unitsWhere, if at all, did Pablo first make a mistake finding the area of the rectangle?

Revolt · Accepted Answer

Step 3

Question 2

A rectangle on a coordinate plane has vertices L(0, 6), M(8, 6), N(8, 0), and O(0, 0). What are the dimensions of the rectangle?

Revolt · Accepted Answer

The base is 8 and the height is 6.

Question 3

What is the length of side AB as shown on the coordinate plane?

Revolt · Accepted Answer

6 units

Question 4

What are the dimensions of the rectangle shown on the coordinate plane?

Revolt · Accepted Answer

The base is 9 units and the height is 4 units.

Question 5

What is the length of line segment BC with endpoints ( 3) and (, ) as shown on the coordinate plane?

Revolt · Accepted Answer

7 units

Question 6

A rectangle has vertices at (1, 6), (1, 2), (3, 6), and (3, ). Sara says the area of the rectangle is 16 square units and her work is shown below.StepsSara’s WorkStep 1Base: Step 2Height: Step 3Area: square unitsWhere, if at all, did Sara first make a mistake in finding the area of the rectangle?

Revolt · Accepted Answer

Step 2

Question 7

What are the dimensions of the rectangle shown on the coordinate plane?

Revolt · Accepted Answer

The base is 5 units and the height is 4 units.

Question 8

A rectangle on a coordinate plane has vertices Q(, 1), R(6, 1), S(6, ), and T(, ). What are the dimensions of the rectangle?

Revolt · Accepted Answer

The base is 7 and the height is 9.

Finding Area on a Coordinate Plane Answers

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