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Chapter 7: Q.16 (page 399)

Find the area or volume of each.

Short Answer

Expert verified

The required area is represented by 12.56square meters.

Step by step solution

01

Step 1. Analyze the provided figure.

The provided figure is representing a circle having radius 2 m so its area will be calculated.

02

Step 2. Take the help of area of circle.

Take the help of formula represented by A=πr2that is associated with the area of circle in which the representation of radius is r. So, substitute 2 in place of rinto the formula.

A=π22=4π

03

Step 3. Determine the actual area. 

Take the value of πas 3.14 and determine the required area.

A=4⋅3.14=12.56

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Most popular questions from this chapter

ASTRONOMY Physicists estimate that the number of stars in the universe has an order of magnitude of 1021. The number of stars in the Milky Way galaxy is around 100 billion. Using orders of magnitude, how many times as many stars are there in the universe as the Milky Way?

Determine whether the given expression is a monomial or not.

mpn

Simplify each expression.

−2u35u

MULTIPLE CHOICE Antonia is carpeting two of the rooms in her house. The dimensions are shown. What is the total area to be carpeted?

Fx2+3x

G2x2+6x−10

Hx2+3x−5

J8x+12

Read each question. Then fill in the correct answer on the answer document provided by your teacher or on a sheet of paper.

Which inequality is shown in the graph?

Fy≤−23x−1

Gy≤−34x−1

Hy≤−23x+1

Jy≤−34x+1
See all solutions

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