Determine the area of the regular octagon, Mathematics

Assignment Help:

Determine the area of the regular octagon with the following measurements.

2223_Determine the area of the regular octagon.png

a. 224 square units

b. 112 square units

c. 84 square units

d. 169 square units

b. Seems that the octagon will be subdivided into 8 congruent triangles. Since each triangle has a base of 4 and a height of 7, the area of each traingle will be found using the formula, area = 1/2 height x base. To calculate the area of the octagon, we will ?nd the area of a triangle and multiply it by 8. The area of one triangle is 1 (4)(7) or 14. Multiply this value times 8; (14)(8) = 112. This is the area of the octagon. If you chose a, you used an incorrect formula for area of a triangle. Area = 1/2 base × height was used rather than area = 1/2 base × height. If you select d, you mistakenly divided the octagon into 6 triangles instead of 8 triangles.


Related Discussions:- Determine the area of the regular octagon

Find the number of students side of the square, A teacher on attempting to ...

A teacher on attempting to arrange the students for mass drill in the form of a solid square found that 24 students were left over. When he increased the size of the square by one

Differntial equation, (3x+2)^2 d^2y/dx^2+3(3x+2)dy/dx-36y=3x^2+4x+1

(3x+2)^2 d^2y/dx^2+3(3x+2)dy/dx-36y=3x^2+4x+1

Determine the number of blue balls in the bag, A bag contains 5 red balls a...

A bag contains 5 red balls and some blue balls. If the probability of drawing a blue ball is double that of a red ball , determine the number of blue balls in the bag.

Basic computation formulas of differentiation, Basic "computation" formulas...

Basic "computation" formulas : Next, let's take a quick look at some basic "computation" formulas that will let us to actually compute some derivatives. Formulas 1)   If f

The perimeter square can be expressed as x + 4 estimate x, The perimeter of...

The perimeter of a square can be expressed as x + 4. If one side of the square is 24, what is the value of x? Since the perimeter of the square is x + 4, and a square has four

Algebra, how to solve algebra

how to solve algebra

Describe the sample of exponents , Describe the Sample of Exponents ? I...

Describe the Sample of Exponents ? Imagine, for example, that you are the P.E. coach at your school, and you need to divide one of your classes into teams. Your team has 45 stu

Unitary methods, john walked to school at an average speed of 3 miles/hr a...

john walked to school at an average speed of 3 miles/hr and jogged back along the same route at 5miles/hr. if his total time was 1 hour, what was the total number of miles in the

Write Your Message!

Captcha
Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd