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

53 Explain the urine formation in human with labelled diagram.

Read the excerpt from Robert Frost's poem "Mending Wall." He only says, "Good fences make good neighbours." Spring is the mischief in me, and I wonder If I coul

An adverse market delivery charge rate depends on the credit score of the borrower, the amount borrowed, and the loan-to-value (LTV) ratio. The LTV ratio is the

barbara,carol.alice and sabrina are competing for two roles in a play .assume that the two to get roles will be randomly chosen from the five girls.What is the

Describe the relationship between the speed Ms Sithole drives a

Representing proportional relationships

find pr and st quickkkk

Describe the operation and suitability of the following pressure transmitters (a) manometer (B) diaphragm actuated straight gauge

draw a free body diagram that represents a cart moving with constant of velocity.

Calculate the number of carbon atoms in a sample of camphor . Be sure your answer has a unit symbol if necessary, and round it to significant digits.