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

What is the first step in assessing your readiness for exercise? a. determine a time schedule. b. ask yourself, “am i ready to start an exercise program ” c.

What is the negative tú command of hablar?

Span of control is less of a factor of concern for incidents that are resolved within the initial operational period. true or false.

what was the effect of the U.S entry into world war I?

What kind of election are you at when your ballot are candidates for both parties

A compound is found to contain only 24.5 g nitrogen and 70.0 g oxygen. what is the compounds empirical formula.

What is gatsby's dream and why is it incorruptible?

VERY SHORT 10PTS HELP Write three complete sentences about a time in your life when you either showed grit or wished you had shown grit.

The home that you are interested in purchasing is listed at $85,000. in order to get financing, you have to place a 5% down payment. from the given information,

A ball of mass 0.05 kg strikes a smooth wall normally four times in 2 second with a velocity of 10m/s. Each time the ball rebounds with the same speeds of 10m/s