steeepgcYil
steeepgcYil steeepgcYil
  • 25-09-2016
  • Mathematics
contestada

find the circumference and area of a circle with diameter of 21 inches

Respuesta :

mpanderla95
mpanderla95 mpanderla95
  • 25-09-2016
To solve for the circumference and the area of a circle, first you must determine the radius.

D = 21 inches
R = 1/2D = 1/2(21) = 10.5 inches.

C = 2pi • r
C = 2(3.14) • 10.5 inches
C = 65.97 inches.

A = Pi • r ^2
A = (3.14) • 10.5^2
A = 346.185 in^2.

The area of a circle is 346.185 in^2.
Answer Link

Otras preguntas

The term volume refers to how _____. A. hot something is B. long something is C. much mass something has D. much space something takes up
What is the molarity of 2 moles of iron oxide,FeO in 8 Liters of water
Doctors can’t legally prescribed anabolic steroids for which condition
since world war 2, Quebec has become one of the most culturally diverse cities in the world.
Andrew is paid $4 per hour for the first 30 hours he works each week. He makes $5 per hour for each hour he works over 30 hours per week. In other words, total
Definition! Help please!! I give brainliast please help meeee 1.Cell - 2. Organelle - 3. Tissue - 4. Organ - 5. Organ system - 6. Organism - 7. Homeostasis -
We. Identify the case of the pronoun. 1. Objective 2. Nominative 3. Possessive
What factors contributed to america's growing isolationism after wwi?
A car has an acceleration of 5 m/s2 and a mass of 70 kg. What is its force?
What is the importance of urdu in mughal administration?