Area and Dimensions of Rectangles

The video tutorial demonstrates how to calculate the area of a T-shaped figure by dividing it into two rectangles. In Example 1, the dimensions are given, and the areas of the rectangles are calculated and summed. Example 2 is more complex, requiring additional calculations to find missing dimensions before determining the area. The tutorial concludes with a summary of the process and encourages viewers to like and subscribe.

What is the first step in finding the area of a T shape?

• Divide the T shape into two triangles

• Divide the T shape into two rectangles

• Measure the perimeter of the T shape

• Calculate the volume of the T shape

Tags

CCSS.3.MD.C.7B

CCSS.4.MD.A.3

How do you find the area of a rectangle?

• Add the lengths of all sides

• Multiply the length by the width

• Subtract the width from the length

• Divide the length by the width

Tags

CCSS.3.MD.C.7B

CCSS.4.MD.A.3

What are the dimensions of the green rectangle in Example 1?

• 7 and 3

• 12 and 5

• 12 and 7

• 5 and 3

Tags

CCSS.3.MD.C.7B

CCSS.4.MD.A.3

What is the area of the green rectangle in Example 1?

• 45 cm²

• 60 cm²

• 81 cm²

• 21 cm²

Tags

CCSS.3.MD.C.7B

CCSS.4.MD.A.3

What are the dimensions of the red rectangle in Example 1?

• 12 and 7

• 5 and 3

• 12 and 5

• 7 and 3

Tags

CCSS.6.G.A.1

What is the total area of the T shape in Example 1?

• 60 cm²

• 45 cm²

• 21 cm²

• 81 cm²

Tags

CCSS.3.MD.C.7B

CCSS.4.MD.A.3

What are the dimensions of the green rectangle in Example 2?

• 8 and 2

• 7 and 3

• 4 and 2

• 9 and 5

Tags

CCSS.3.MD.C.7B

CCSS.4.MD.A.3

What is the area of the green rectangle in Example 2?

• 16 cm²

• 81 cm²

• 61 cm²

• 45 cm²

Tags

CCSS.3.MD.C.7B

CCSS.4.MD.A.3

How do you find the missing length of the red rectangle in Example 2?

• Multiply the width by the height

• Add the vertical lengths together

• Subtract the width from the total length

• Divide the total length by the width

Tags

CCSS.6.G.A.1

What is the total area of the T shape in Example 2?

• 81 cm²

• 61 cm²

• 45 cm²

• 16 cm²

Tags

CCSS.6.G.A.1