1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
Nikolay [14]
3 years ago
5

Use π = 3 19. Calculate the area of a circle with diameter of 14cm

Mathematics
2 answers:
antiseptic1488 [7]3 years ago
7 0
The equation for Area of circle:

A = πr²

Using pi as 3.14
r = radius, d = diameter

r = d/2
r = 14/2
r = 7

A = (3.14)7²
A = 49(3.14)
A = 153.86 cm²

Using pi as 3.19
A = πr²
A = (3.19)7²
A = 49(3.19)
A = 156.31cm²


hope this helps

Ilia_Sergeevich [38]3 years ago
6 0
Area of a circle = PI x r^2

you state pi = 3.19  ( it is usually 3.14, if it is a typo see below )

diameter = 14cm
 r = 1/2 the diameter, so r = 7 cm

area = 3.19 x 7^2

area = 3.19 x 49 = 156.31 square cm

( if PI = 3.14, area = 3.14 * 49 = 153.86 square cm)
You might be interested in
Write the ratio 48 to 24 as a simplified fraction
hichkok12 [17]
2/1 is the answer that you’re looking for
4 0
3 years ago
The Houston rockets scored 66 points in the second half. There are 24 minutes in a half. What was the average number of points p
anastassius [24]
The answer is 2.75, I believe.
3 0
3 years ago
Please help!!
oksano4ka [1.4K]
1. -6 ≤ x < -1 . . . . conjunction
2. x ≤ 6 . . or . . 10 ≤ x . . . . disjunction
3. 7 ≤ x < 12 . . . . conjunction
4. x < -9 . . or . . -3 ≤ x . . . . disjunction
5. 2 ≤ x ≤ 5 . . . . conjunction
6. x ≤ 54 . . or . . 66 ≤ x . . . . disjunction
7. 39 < x ≤ 43 . . . . conjunction

_____
Your problem statement provided no letters.
8 0
3 years ago
Read 2 more answers
Plz help!!! ASAP! GIVE BRAINLIEST AND GIVING POINTS!!!!!
Studentka2010 [4]

Answer:

-8

Step-by-step explanation:

-8m⁴ n⁴

m = 0.5 = 1/2

n = 2

Substitute

-8 * (1/2)⁴ * (2)⁴

-8 * (1/16) * (16)

-8

4 0
2 years ago
Anna has 1/2 pound of trail mix. She evenly divided the trail mix into 4 bags. How much is in each bag
trasher [3.6K]

Answer:

 

1/8 pound of trail mix in each bag.

Step-by-step explanation:

She divides it into  bags

4 1/2 ÷ 4 = 1/2 x 1/4 = 1/8 pound

3 0
3 years ago
Other questions:
  • In a random poll taken in 2008, Gallup asked 1006 national adults whether they were baseball fans. 433 of the sample said they w
    6·1 answer
  • Simplify (-2-12i)+(-12+12i)
    15·2 answers
  • Simplify the following c^2+4c-12
    11·1 answer
  • Imagine that a traffic intersection has a stop light that repeatedly cycles through the normal sequence of traffic signals (gree
    12·1 answer
  • Write an equation in point-slope form of the line through point J (4,1) with slope -4.
    11·1 answer
  • a scientist used 2 gallons of liquid for every 7 hours he works. he used__of a gallon each hour he works
    14·1 answer
  • The volume of gas a balloon can hold varies directly as the cube of its radius. Imagine a balloon with a radius of 4 inches can
    10·1 answer
  • Whoops i was confused a bit with the answers this is the same as the last one
    7·1 answer
  • Favorite song? i like Liquid Smooth and Freaks
    11·2 answers
  • For the polynomial f(x) = 3x^3 + 3x^2 - 13x + 12 determine the average rate of change between the two given values for x
    15·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!