Question

What is the approximate circumference of a circle with a radius of 20 inches? Use π ≈ 3.14.

A.
251.2 inches

B.
62.8 inches

C.
120 inches

D.
125.6 inches

Answer 1

@patricialarios

Answer 2

It is D did you want the explination

Answer 3

Nah i trust you :D

Answer 4

It is because a radius is only half a diameter so you want to add 20 more to that 20 so make it a full diamerter the times it by 3.14 and it equals D lol

Answer 5

Well thanks for the explanation~!

Answer 6

Welcome!

Answer 7

anymore?

Answer 8

A circular lid has a diameter of 12 inches.

What is the exact area of the lid?

A.
12π square inches

B.
24π square inches

C.
36π square inches

D.
6π square inches

Answer 9

The question marks are the pi symbol

Answer 10

Well Area=3.14*Radius^2 for a circle
so Area= 3.14*6*6
Area=3.14*36
SO answer is C 36Pi

Answer 11

Thannnnnk you~

Answer 12

Welcome! if you have anymore can you make a new post LOL too many comments here

Answer 13

Okay haha

Answer 14

what math is this? Pre-Algebra?

Answer 15

yupp

Answer 16

or Math 8

Answer 17

no its pre algebra

Answer 18

ohh lol Im taking algebra right now

Answer 19

What grade are you in?

Answer 20

9th

Answer 21

You?

Answer 22

Im supposed to be in 9th but last year i started online school and throughout the whole year i was sooo lost! it was really difficult and i did pass the Staar but...they held me back because of my grades throughout the whole year :/

Answer 23

Ohh thats funny cause i just started online school this year in october and i never get bad grades but it is really weird so i had all bad grades last semester

Answer 24

what online school are u with?

Answer 25

like all barelly passing in the 60%

Answer 26

but it wasnt like i didnt know how just the school is hard to do/work

Answer 27

Yeah! and its not even the actual work thats hard, its keeping up with like the progress on some of the lessons

Im an A+ student in all my other sun]bjects...excpet math and literature of course!
Im in k12

Answer 28

*subjects

Answer 29

LOL AND MEEE TO!! through what state

Answer 30

Im in El paso texas!!! how bout you??

Answer 31

Oh wow and im in seattle washington

Answer 32

Ehh it would of been nice to know at least one person at the STAAR exams :/

Answer 33

Ya..Too bad and ive never done a starr exam yet?

Answer 34

i think its only a texas thing
Im gonna go ask more questions so talk to you later~

Answer 35

okay tag me in them!