vrindakoirala vrindakoirala

01-01-2022
Mathematics

contestada

The perimeter of a circle=πr², where π=22/7. find the area of r=21cm

Respuesta :

silirobert15 silirobert15

01-01-2022

EXPLAINATION: [tex]\pi r^2=\frac{22}{7} .21^2=\frac{22}{7} .441=\frac{22.441}{7} =\frac{22.63.7}{7} =22.63=1386<cm^2>[/tex]

ANSWER: 1386 [tex]cm^2[/tex]

Ok done. Thank to me :>

Answer Link

Otras preguntas

Which phrases are found in the preamble to the constitution?

What is the remainder of (x^3-6x^2-9x+3)/(x-3)

Johnny bought 7 stamps for 1.12. how much does each stamp cost

Which choice is not true of a liquid in a glass capillary with a convex meniscus? Which choice is not true of a liquid in a glass capillary with a convex menisc

What kind of graphic would show the sequence of dates when discoveries about the circulatory system were made

A CD usually sells for $18.00. Of the CD is 10% off, and sales tax is 8%, what is the total price of the CD, including tax?

Ignoring personal feelings in the workplace is a big mistake?

Find the asymptote of f(x)=(2e^x +3e^3x) / (e^2x -e^3x)

Please identify what type of relationship the following description had with the Great Depression: "Expanded role of government in economic activities" Short-Te

Which would not increase voltage and generate an electrical current? A. a car battery B. a thick wire C. a solar cell D. a generator