sashagonzalez497 sashagonzalez497
  • 01-04-2019
  • Mathematics
contestada

A circle has a diameter of 28 centimeters.
Estimate the area of the circle. Use
22/7

Respuesta :

choixongdong
choixongdong choixongdong
  • 01-04-2019

Answer:

Area of circle, A = 616 cm^2

Step-by-step explanation:

Area of circle:

A = πr^2

Given: d = 28 cm and π = 22/7

so r = d/2 = 28/2 = 14 cm

So

A = π r^2

A = 22/7 * 14^2

A = 22/7 * 196

A = 616 cm^2

Answer Link
DarkExpertise01
DarkExpertise01 DarkExpertise01
  • 01-04-2019

Diameter is= 28cm

Radius equals to 14

Area equals to πr*2

So 14*2=196

196π equals to 615.75

Answer Link

Otras preguntas

What is the GCF of 32 and 48
how do solve 21s=3 ?
convert to a scientific notation  860,000,000,000 =
what is the place underground where plates start to slip called.
What is the lcm of two numbers that have no common factors greater than 1?
5000 is 1/10 of what
how can I use multiple representations to indicate positive and negative values
A base 7 three-digit number has its digits reversed when written in base 9. Find the decimal representation of the number.
convert to a scientific notation  860,000,000,000 =
Brandon owns nearly 2 times as many CDs ads Ingrid. Brandon owns 56 CDs. Write an equation and use it to estimate the number n of CDs Ingrid owns.