velminter63 velminter63

22-09-2017
Mathematics

contestada

the top of an auto piston is a circle with a diameter measuring 8.4 centimeters . what is the area of the top piston ?

Respuesta :

mikaylachelene mikaylachelene

22-09-2017

Radius = Diameter /2

So, Radius = 8.4/2 or 4.2

4.2^2 = 17.64.

17.64 x pi = 55.39 sq cm.

cm because we are being consistent with the units of measurement already in use.

Answer Link

musiclover10045 musiclover10045

22-09-2017

area of a circle = PI x r^2

r = 8.4/2 = 4.2

using 3.14 for PI

area = 3.14 x 4.2^2 = 55.3896 square cm

round answer as needed

Answer Link

Otras preguntas

Lena bought 40 tickets to use at a carnival. She used some of the tickets to ride the bumper cars and play some games. Now she has 24 tickets left. What is the

You are performing an experiment in a lab to attempt a new method of producing pure elements from compounds. The only problem is that you do not know what eleme

How did Adolf Hitler take over the nation of Austria? A. Hitler used his blitzkrieg methods. B. Hitler signed an agreement with Austria's leader. C. Hitler bega

what was katniss flashback about gale. What are some words and clues the author uses to indicate to the reader that this scene is a flashback to a previous mome

You are performing an experiment in a lab to attempt a new method of producing pure elements from compounds. The only problem is that you do not know what eleme

Chapter 4 ends with the image of someone laughing inside of the Radley house. What effect does this create for the reader? Explain, citing evidence from the tex

The ratio of athletes in the two teams is 3:2. After 12 athletes move from first team to second, the ratio is 5:4. Find the number of athletes on each team orig

- The price of an item increases from $90 to $100. Find the increase per cent.

Is y=x/10 represent proportional relationship

Use Green's Theorem to evaluate integrate C (F · dr). (Check the orientation of the curve before applying the theorem.)F(x, y) = vector ( sqrt(x)+4y^3, 4x^2 + s