Crystal520 Crystal520

22-11-2019
Mathematics

contestada

2 Find the radius and diameter of a circle of area:
a) 6.16 cm²
b) 13.86 cm²

Respuesta :

prithak4 prithak4

22-11-2019

Answer:

A.

Area = 6.16cm^2

by using Formula,

A=πr^2

6.16=3.14*r^2

r=1.4cm

now,

D=2*r

=2*1.4

=2.8 CM

B

A=13.86

now,

A=πr^2

13.86=3.14*r*r

4.41=r^2

r=2.1

D=2.1*2

=4.2 cm

Answer Link

Otras preguntas

The American Founders based their new governments in part on the ideas of which Enlightenment philosopher? Diderot John Locke ReneDescartes Herbert

Use the function below to find f(3) ........ F(x)=4•(1/3)^x

Adam’s car traveled 465.3 miles on 16.5 gallons of gas. Which equation can be used to determine the average number of miles that the car traveled on each gallon

The chemical combination of two or more different atoms in fixed amounts is called a(n)

How many types of connections can a reader make through Reader Response Theory? one two three four

An ant looks up to the top of a tree at an angle of elevation of 40 degrees. If the ant is 30 feet away from the base of the tree, what is the height of the tre

Your mid-morning break begins at 9:45 A.M. and lasts for 10 minutes. You work 2 hours and 10 minutes until your lunch break. What time does your lunch break beg

Two brain areas involved in the formation of implicit memories are the _____ and the _____.

Guys what is the Radius of 15 feet????

A factory produces 90 packages of mixed nuts in 1 min. A quality control manager selected 10 of these 90 packages at random and then counted the number of nuts