Area of Regular Polygons Using Trig.

Presentation

•

Mathematics

•

6th - 7th Grade

•

Hard

Imani Palacio

Used 10+ times

FREE Resource

7 Slides • 12 Questions

Labeling

Label the parts of the octagon.

Drag labels to their correct position on the image

apothem

interior angle

side

radius

central angle

center

Multiple Choice

What is the formula for the area of a regular polygon?

A = 1/2(Perimeter)(Apothem)

A = 1/2(Base)(Height)

A = (Side)^2

A = 1/2 (Perimeter)(Height)

Fill in the Blanks

The missing side lengths in a right triangle are determined using

Math Response

Use the tangent ratio to solve for unknown sides in a right triangle.

Type answer here

Deg^°

Rad

Math Response

Calculate the area of a regular pentagon given a side length of 14 inches.

Type answer here

Deg^°

Rad

Math Response

Find the area of the decagon (10 sides) given an apothem of 7.5 in.

Type answer here

Deg^°

Rad

Multiple Choice

What is the central angle of a regular nonagon?

40°

20°

60°

30°

Math Response

Calculate the area of the regular pentagon.

Type answer here

Deg^°

Rad

Open Ended

When do you use the trigonometric ratios to solve for the area of regular polygons?

Type response here

Open Ended

Explain how to calculate the area of a regular polygon using trigonometric ratios.

Type response here

Fill in the Blanks

What is the area of the regular octagon with a perimeter of 80 in.?

Type answer...

Fill in the Blanks

What is the area of the regular octagon with a perimeter of 72 centimeters?

Type answer...

Show answer

Auto Play

Slide 1 / 19

SLIDE

Similar Resources on Wayground

13 questions

Lesson: Classifying Quadrilaterals

Presentation

•

6th - 7th Grade

13 questions

Determine the distance between two points on a plane

Presentation

•

6th - 7th Grade

13 questions

Expressions and Equations Review

Presentation

•

6th - 7th Grade

15 questions

Order of Operations

Presentation

•

6th - 7th Grade

12 questions

Equivalent Ratio Review

Presentation

•

6th - 7th Grade

15 questions

Surface Area of Prisms and Pyramids

Presentation

•

6th - 7th Grade

14 questions

Theoretical Probability

Presentation

•

6th - 7th Grade

14 questions

Multiplying & Dividing Integers

Presentation

•

6th - 7th Grade

Popular Resources on Wayground

10 questions

Safety Day 2026 – Student Review

Quiz

•

9th Grade

21 questions

Continents and Oceans

Quiz

•

6th Grade

20 questions

Parts of Speech

Quiz

•

5th Grade

16 questions

Subject & Predicate

Quiz

•

5th Grade

25 questions

Multiplication Facts

Quiz

•

5th Grade

12 questions

Map Skills

Quiz

•

3rd Grade

22 questions

Continents and Oceans

Quiz

•

5th Grade

15 questions

Rounding Decimals

Quiz

•

5th Grade

Discover more resources for Mathematics

16 questions

Proportional and Non Proportional Relationships in Tables, Graphs, and Equations

Quiz

•

7th Grade

20 questions

Constant of Proportionality

Quiz

•

7th Grade

20 questions

Halloween Trivia

Quiz

•

7th Grade

15 questions

One-Step Equations

Quiz

•

7th Grade

20 questions

Add and Subtract Integers

Quiz

•

6th - 8th Grade

14 questions

Explore Integers and Rational Numbers

Quiz

•

6th Grade

22 questions

Ratios and Ratio Tables

Quiz

•

6th Grade

16 questions

Adding and Subtracting Integers

Quiz

•

7th Grade