Exploring Basic Geometric Formulas for Area and Perimeter

This video tutorial by Kirk Weiler covers basic geometric formulas, focusing on calculating the perimeter and area of rectangles and triangles. It begins with an introduction to geometric measurement, followed by detailed examples of calculating perimeter and area for rectangles. The lesson progresses to more complex figures and explores methods to calculate their area using rectangles. The tutorial also covers perimeter and area calculations for triangles, including advanced techniques. The video concludes with a summary of the key concepts and formulas discussed.

What is the main focus of Unit 10 in this lesson?

• Algebraic equations

• Geometric measurement

• Trigonometric functions

• Probability and statistics

Tags

CCSS.1.G.A.1

CCSS.2.G.A.1

To calculate the cost of fencing around a rectangular garden, which measurement is needed?

• Surface area

• Perimeter

• Volume

• Area

If the perimeter of a rectangular garden is 106 feet and the cost of fencing is $5.75 per foot, what is the total cost of the fencing?

• $575.00

• $530.00

• $609.50

• $650.00

Tags

CCSS.4.MD.A.2

To calculate the cost of soil to cover a rectangular garden, which measurement is needed?

• Area

• Volume

• Perimeter

• Surface area

What is the area of a rectangular garden with a length of 35 feet and a width of 18 feet?

• 630 square feet

• 53 square feet

• 315 square feet

• 70 square feet

Tags

CCSS.3.MD.C.7B

CCSS.4.MD.A.3

How can you calculate the area of a non-rectangular figure?

• By calculating its volume

• By dividing it into multiple rectangles and summing their areas

• By measuring its perimeter

• By using the Pythagorean theorem

What is the area of a figure composed of two rectangles with areas of 682 square centimeters and 384 square centimeters?

• 1050 square centimeters

• 1060 square centimeters

• 1070 square centimeters

• 1066 square centimeters

Tags

CCSS.3.MD.C.7D

What is the perimeter of a right triangle with sides measuring 6 feet, 8 feet, and 10 feet?

• 28 feet

• 26 feet

• 24 feet

• 20 feet

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CCSS.3.MD.D.8

How can you use a rectangle to help calculate the area of a right triangle?

• By finding the perimeter of the rectangle

• By finding the area of the rectangle and dividing by two

• By measuring the diagonal of the rectangle

• By calculating the volume of the rectangle

Tags

CCSS.6.G.A.1

What is the area of a triangle with a base of 26.1 feet and a height of 12.7 feet, rounded to the nearest square foot?

• 168 square feet

• 167 square feet

• 166 square feet

• 165 square feet

Tags

CCSS.6.G.A.1