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
vampirchik [111]
2 years ago
13

The radius of a circle is 20cm. What is its area? ( ratio= 3.14) ​

Mathematics
2 answers:
Musya8 [376]2 years ago
6 0

Answer:

A=100π=314.16 cm 2 to 5 significant figures

Step-by-step explanation:

stiv31 [10]2 years ago
5 0

Answer:

area =πr²

3.14 x 20 x 20

area=1256cm²

Step-by-step explanation:

You might be interested in
The sum area please.
Ann [662]

Answer:

4xy+24y^2−7x−38y−7

Step-by-step explanation:

(-7+4y) (6y+x+1)

-7*6y= -42y

-7*x= -7x

-7*1= -7

4y*6y= 24y²

4y*x= 4yx

4x*1= 4y

Add them up

3 0
2 years ago
Hi people, please if someone can give me a hint with this, l got it but Maths watch doesnt recognise it as 100% right so what is
krek1111 [17]

Answer:

spelling of pronoun(she)

Step-by-step explanation:

at fifth sentence there is little mistake of pronoun i.e sue there must be she may be by this little mistake that is incorrect.

7 0
3 years ago
Read 2 more answers
PPPLEASE HELP<br><br> do the problem
Serggg [28]

Step-by-step explanation:

1. No: angles add to more than 180 deg.

2. Yes: each side's length is between the sum and difference of the lengths of the other two sides.

3. No: not every side's length is between the sum and difference of the lengths of the other two sides.

4. Yes: for example, place the 50 deg angle between the two given sides. Another side will then make the triangle.

5. Yes: for example, use 3 cm as the short leg in a 30-60-90 right triangle.

3 0
2 years ago
Elliot uses 3/8 pound of clay to make a charm for a necklace. how much clay does he use to make 4 charms?
Lapatulllka [165]

Answer:

3/2 pound of clay is used

5 0
3 years ago
Read 2 more answers
Help me please..........
aleksklad [387]

Answer:

66.4°

Step-by-step explanation:

→ Find the side which is not given

Hypotenuse = 15 cm

Opposite = ?

Adjacent = 6 cm

→ Utilise the formula triangle with out opposite in it

Cos⁻¹ = Adjacent ÷ Hypotenuse

→ Substitute in the terms

Cos⁻¹ = 6 ÷ 15 ⇔ 66.4°

3 0
2 years ago
Other questions:
  • If sin(x)=0.3090 , what is the approximate value of csc(x)?
    6·2 answers
  • Numbers like 10, 100, 1,000, and so on are called
    7·1 answer
  • 52.659 rounded to the nearest hundredth
    11·2 answers
  • I need help thank u so much in advance !
    14·2 answers
  • A professional lawn care service can mow 2 3/4 acres of lawn in one hour. how many hours would it take them to mow the lawn that
    5·1 answer
  • Algebra 2 questions
    11·2 answers
  • How much compound interest is earned on $24,500 principal, with an annual interest rate of 5% compounded annually, over years? c
    14·1 answer
  • How do I do this problem?
    5·2 answers
  • Television sets cost $359 each. The total cost in dollars of five television sets will be measured in the .
    6·2 answers
  • Someone please help with this question!
    15·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!