Find the area of shaded region of circle of radius, Mathematics

Assignment Help:

Find the area of shaded region of circle of radius =7cm, if ∠AOB=70^o, ∠COD=50^o and ∠EOF=60^o. (Ans:77cm²)

Ans: Ar( Sector AOB + Sector COD + Sector OEF)

= 70/360 Π x 7² + 50/360 Π x 7² + 60/360 Π x 7²

49 Π ( 7/36 +5/36 + 6/36 ) = 49 Π x 18/36 = 49/2 x 22/7 = 77 cm²

Related Discussions:- Find the area of shaded region of circle of radius

Shares and dividends, suresh invested rs.1080 in shares of face value rs.50...

suresh invested rs.1080 in shares of face value rs.50 at rs.54.After receiving dividend on them at 8% he sold them at 52.In each of the transaction he paid 2 % brokerage.Hpw much d

Rebecca is 12.5% taller than debbie how tall is rebecca, Rebecca is 12.5% t...

Rebecca is 12.5% taller than Debbie. Debbie is 64 inches tall. How tall is Rebecca? Because Rebecca is 12.5% taller than Debbie, she is 112.5% of Debbie's height (100% + 12.5%

What is the formula to know total area square shaped quilt, Cathy is formin...

Cathy is forming a quilt out of fabric panels that are 6 in through 6 in. She needs to know the total area of her square-shaped quilt. Which formula will she use? The area of a

Polynomial functions, is 4x-9 a polynomial function?

is 4x-9 a polynomial function?

Square numbers, determine the square of the following numbers ... a.8 b.13 ...

determine the square of the following numbers ... a.8 b.13 c.17 and d.80

Ratio, find the ratio of 1:4

find the ratio of 1:4

Correlation and regression, Correlation and Regression Correlation ...

Correlation and Regression Correlation CORRELATION is an important statistical concept which refers to association or interrelationship among variables. The reasons of

Homogeneous differential equation, Assume that Y 1 (t) and Y 2 (t) are two ...

Assume that Y 1 (t) and Y 2 (t) are two solutions to (1) and y 1 (t) and y 2 (t) are a fundamental set of solutions to the associated homogeneous differential equation (2) so, Y

What are factor trees explain, What are Factor Trees explain? In algebr...

What are Factor Trees explain? In algebra, we often need to factor a number into its prime factors. One way to do this is to use a factor tree. This is a network of numbers, st

Pattern with fractions, what is patterns with fractions mean?

what is patterns with fractions mean?

Write Your Message!

Name

Email id

Message

Verfication Code

User Account

All Pages