alexiabejan alexiabejan

24-11-2021
Mathematics

contestada

The area of a circle is 88.42cm2. Find the length of the radius rounded to 2 DP.

Respuesta :

afomiyawondossen5 afomiyawondossen5

24-11-2021

Answer:

r=5.31

Step-by-step explanation:

A=π r²

88.42cm²=3.14r².................π =3.14

88.42cm²÷3.14=r²

r²=28.16cm²

r=5.31

Answer Link

Otras preguntas

ABCD is a rectangle with AC=20 and AB=2BC. What is the area of rectangle ABCD?

What Are Genre Conventions?

What type of conic section is given by the equation 4x^2+9y^2=36? What are its domain and range?

19 is 30% of what number

urgent! What Does "Head South" Mean?

What is the equation for calculating the heat energy released during heating effect of electric current?

A bag contains 9 blue marbles and 1 green marble. What is the probability of drawing a blue marble followed by a green marble, without replacing the first marbl

the scale is 2 inches:4 feet ,find the scale factor

what is the land between two normal faults that may be uplifted to form?

If a force does not act parallel to the resulting displacement, what is the effect on the work done by the force?