Exploring Perimeter and Area on the Coordinate Plane

The video tutorial covers the basics of finding the perimeter and area of polygons in the coordinate plane. It begins with an introduction to the concepts of perimeter and area, followed by detailed steps to calculate the perimeter of various polygons using their vertices. The tutorial then explains how to find the area of triangles and parallelograms, emphasizing the use of the Pythagorean theorem for slanted sides. Finally, it addresses composite figures, demonstrating how to calculate their perimeter and area by breaking them into simpler shapes.

What units are used to measure perimeter?

• Linear units

• Kilograms

• Cubic units

• Square units

How do you calculate the perimeter of a triangle?

• Base plus height

• Length times width

• Sum of all sides

• Base times height

Tags

CCSS.3.MD.D.8

What theorem is used to find the length of a slanted side in a right triangle?

• Fermat's Last Theorem

• Pythagorean Theorem

• Binomial Theorem

• Euler's Theorem

Tags

CCSS.8.G.B.8

What is the perimeter of a triangle with sides measuring 6, 5, and 7.8 units?

• 17.8 units

• 18.8 units

• 20.8 units

• 19.8 units

Tags

CCSS.3.MD.D.8

How do you find the perimeter of a quadrilateral?

• Base plus height

• Base times height

• Sum of all sides

• Length times width

Tags

CCSS.3.MD.D.8

How is the area of a right triangle calculated?

• Base plus height

• Sum of all sides

• Length times width

• Base times height divided by two

Tags

CCSS.6.G.A.1

What is the area of a parallelogram with a base of 5 units and a height of 3 units?

• 18 units squared

• 10 units squared

• 15 units squared

• 8 units squared

Tags

CCSS.6.G.A.1

What is the formula to calculate the area of a triangle?

• Sum of all sides divided by two

• Length times width

• Base times height divided by two

• Base times height

Tags

CCSS.6.G.A.1

For composite figures, how do you approach finding the area?

• Subtract the smaller area from the larger area

• Add the areas of simpler shapes

• Use the Pythagorean theorem

• Multiply the base by the height

Tags

CCSS.3.MD.C.7D

What is the total area of a composite figure made of a triangle and a parallelogram with areas of 15 units squared and 12 units squared respectively?

• 30 units squared

• 28 units squared

• 25 units squared

• 27 units squared

Tags

CCSS.3.MD.C.7D