25erasmussen
25erasmussen 25erasmussen
  • 11-04-2019
  • Mathematics
contestada

Please help me with this question! A circle has an area of 40 square meters. Which answer is closest to the measure of its diameter?

Respuesta :

Cathi Cathi
  • 11-04-2019
Area=pi r^2

40=3.14 x r^2
Divide both sides by 3.14
12.7=r^2
Square root of both sides
3.6=r
Diameter is 3.6 x2

7.2
Answer Link

Otras preguntas

PLEASE HELP! THIS IS THE LAST QUESTION ON MY HOMEWORK! Fracisco's game involves 3 green,2 yellow,4 red, and 3 black marbles. If he randomly draws three marbles
how would you convert 3 yards 2 feet into inches
a sticker cost15 cent and a packet of 8 similar stickers cost 1 dollar. clementbuys 37 stickers. what is the least amount of money that clement spends on sticke
What is a fraction equivalent to 0.08, 0.4, -0.04, and -0.84?
how to write a story about the doubles-plus-2 fact 5+7=12
A small legend on the corner states that 4 inches of the length corresponds to an length of 52 get what is the scale factor
Why do electrons rather than protons make up the flow of charge in a metal wire?
A collector has 120 movies posters and 100 band posters. She wants to sell movie posters but still have her poster collection maintain the same ratio of 120: 10
Please write the explanation thanks
[(a+3)x8+26]:5=18 va multumesc frumos