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

find the surface area of this cylinder 12 is height radius is 8

PLEASE HELP ASAP!!! CORRECT ANSWERS ONLY PLEASE!!! Find the tangent of ∠S. Write your answer as an integer or as a decimal rounded to the nearest hundredth. tan

Help please!! (attachment below)

Paperflamen, the largest manufacturer of notebooks in the country Delonofia, uses softwood trees to produce high-quality paper. However, because of the high dem

In order to provide culturally sensitive health care, providers must understand and take into consideration the cultural differences of their clients. Which of

Planning for the long-term future, using goals and measurable standards is ______ planning in an organization. a. strategic b. objectives c. environmental d. or

According to Newton's third law of motion, if this snowy owl wants to increase its altitude, what must it do?

If the mid-Atlantic Ocean is spreading at 2.6 cm per year, how many years has it taken for it to reach its present width of about 5000 km?

How much would a 70.0-kg person weigh on Mercury?

John’s Smoothie Stand at Utah’s Wasatch County’s Demolition Derby sells bananas. If John bought 52 lbs. of bananas at $.28 per pound expecting 10% to spoil, how