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
Ksenya-84 [330]
2 years ago
14

What is the area of a circle with a diameter of 21 centimeters? use 3.14 for pi

Mathematics
2 answers:
Pavel [41]2 years ago
7 0

Answer:

346.185 cm²

Step-by-step explanation:

radius = diameter / 2

Area of a circle = πr²

radius = 21/2 = 10.5

Area = 3.14(10.5)²

Area = 346.185 cm²

Phantasy [73]2 years ago
4 0

Answer:

346.4 square centimeters (cm²)

You might be interested in
Find vertex and y- intercept and x-intercept in x^2 -2x-15
AfilCa [17]
It would be (x-5)(x+3)

4 0
3 years ago
Which one of the following numbers will appear farthest to the left on a number line?
gulaghasi [49]
I think not sure I think -2 but if I had the whole answer to your question I might know more
8 0
3 years ago
Use the grouping method to factor the polynomial below completely.
Otrada [13]
After factor simplification of the polynomial, The answer is D
6 0
3 years ago
Read 2 more answers
4 hundreds = how many tens
Andre45 [30]
So ten tens = 100 so u multiply and u get 40 tens which are 400= 4 hundreds
6 0
2 years ago
Read 2 more answers
A group of students want to make a flag. Someone want it to be a rectangle, some a kite, and others a rhombus. Can the crew make
g100num [7]

Answer:

yes the crew can make a flag using all three shapes

6 0
2 years ago
Other questions:
  • A hole the size of a photograph is cut from a red piece of paper to use in a picture frame.
    8·2 answers
  • Plzz anyone answer correctly plz will give brainliest!!
    7·1 answer
  • You set up monthly recurring payments of $110.03, $45.66, and $22.87. How much will your recurring payments total over one year?
    14·2 answers
  • Why is<br> f(x) = x²<br> not a linear function?
    5·1 answer
  • Help Plzzzzzzzzzzzzz Thx 7th grade math :)
    12·1 answer
  • Help picture provided
    6·2 answers
  • How many ml are there in one L​
    7·2 answers
  • Mathematics of inequality
    8·1 answer
  • Selena earned $200 last month babysitting. She used 25 of her earnings to buy a video game. How much did she spend on the video
    11·1 answer
  • $10,000×0.0475×0.25?
    13·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!