SmartBoy56564
SmartBoy56564 SmartBoy56564
  • 03-06-2022
  • Mathematics
contestada

Work out the area of a circle with diameter 1.8cm.
Take pi to be 3.142 and give your answer to 1 decimal place

Work out the area of a circle with diameter 18cm Take pi to be 3142 and give your answer to 1 decimal place class=

Respuesta :

Аноним Аноним
  • 04-06-2022

2.5 cm

Step-by-step Explaination:

Diameter = 1.8 cm

Radius (r) = 1.8/2 = 0.9

According to formula...

Area of circle = π(r)^2

= 3.142 * 0.9 * 0.9

= 2.54502 cm

  • Answer to 1 decimal place :-

  • 2.5 cm...ans

Hope it helps you!!

Answer Link

Otras preguntas

PLS HELP ME ASAP!! CORRECT ANSWERS ONLY!!
Under ____, the Han dynasty reached its greatest power, in part, by strengthening the Chinese army. A. Cao B. Liu Bang C. Shi Huangdi D. Wudi
Use multiplying by 1 to find an expression equivalent to 18/19 with a denominator of 76b.
3. A bolt has 16 ½ turns per inch. How many turns would be in 2 ½ inches of bolt?
Eleven years ago, you deposited $3,200 into an account. seven years ago, you added an additional $1,000 to this account. you earned 9.2 percent, compounded annu
Suppose that a number written as a decimal has an infinite number of non–repeating digits after the decimal point. what is this number called?
What is the average of 4, 7, 8, 13, 18, 18, 21?
What is the term for the layers of bony matrix surrounding the cell at a?
The part of the cell that contains the living substance of the cell, excluding the nucleus is the ?
Which is a carbohydrate monomer