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

The characteristic or value of a population that is under consideration is called a(n)_____ parameter.

Noah raised $54 to support the animal shelter, which is 60% of fundraising goal Write an equation to calculate Noah's fundraising goal? Show how you solved each

Why is fake news somewhat different from a conspiracy theory?

Calculate the atomic mass of Nitrogen if the two common isotopes of Nitrogen have masses of 31.972 amu (85.00 % abundance) and 33.967 amu (15.00% abundance)

Which of the following questions is a statistical question? What is the top-selling board game? In what aisle are the board games located in the local store?

A rectangle has an area of square unit inside length of 2 1/4 unit find the other side length of the Rectangle

Observa el Anexo #1 que se encuentra al final de este documento sobre las características de una carta enviada por correo postal y otra por correo electrónico.

Find the volume of the cone. Round your answer to the nearest tenth if necessary. Use 3.14 for π. The volume of the cone is about in3.

the diameter of a circle is 2 kilometers. What is the circumference?

into the school (subject or verb)