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
mel-nik [20]
3 years ago
12

Can someone plz help me with this math problem.

Mathematics
2 answers:
vredina [299]3 years ago
5 0
Ok
radius is distance from center to the circle
diameter is from one isde to the other, it is also twice the radius

r=radius
d=diameter

circumfernce=pi times diameter or 2 times pi times radius
area=pi times radius^2

so


1.
circumference=2pir
radius=4.5
c=2pir
c=2pi4.5
c=9pi in

area=pir^2
arae=pi(4.5)^2
area=pi20.25
area=20.25pi in²




2.
diameter=12mi
circumfernce=pid
circumfernce=pi12
circumfnerce=12pi mi


area=pir^2
d/2=r
12/2=r=6
area=pi6^2
area=36pi mi²
galben [10]3 years ago
4 0
For question one, you would need to use the formula pi r ^2. So first you have 4.5, which is your radius(stands for r). Then you square it, which is 20.25. Then, you multiply 20.25 with pi. Then for circumference, you do 2 x pi x the radius which is 4.5. So for area, you get 63.62. Then for circumference you get 28.27. 

For question 2, it is basically the same steps but instead you a diameter, not a radius. To get the radius, divide by 2, which the radius will be 6. Then from there, the radius is 6, and you solve the question.
You might be interested in
Determine the order pair and quadrant for each point:<br> A.<br> B.<br> C.
Taya2010 [7]

Answer:

A: (-4,1) QUAD 2

B: (-1, -3) QUAD 3

C: (2,5) QUAD 1

D: (5, -4) QUAD 4

Step-by-step explanation:

4 0
3 years ago
PLZ HELP Which equation could have been used to create this table?
Snowcat [4.5K]
Y=6x because once you plug in the x value you’ll get the same y values as in the table
5 0
2 years ago
Read 2 more answers
Which is longer, 5 miles or 10 kilometers?
Zinaida [17]
10 kilometers is equal to a little over 6 miles. And 6 > 5, therefore 10 kilometers is your answer.
4 0
2 years ago
Read 2 more answers
Yesterday Ali caught 12 bugs. Today he caught 17 bugs. How many fewer bugs did Ali catch yesterday than today?
horsena [70]
The answer to your question is 5
5 0
3 years ago
Read 2 more answers
Please someone help me to prove this. ​
kodGreya [7K]
Hope this can help.

5 0
3 years ago
Read 2 more answers
Other questions:
  • The given series has six terms. what is the sum of the terms of the series? 17 + 25 + 33 + . . . + 57
    9·1 answer
  • Identify the type of data​ (qualitative/quantitative) and the level of measurement for the data described below. Explain your ch
    6·1 answer
  • A circular garden has a diameter of 6 yards.What is the area of the garden. Use 3.14
    13·2 answers
  • Morgansville and newton are 2 miles apart. On map, the two cities are 7 inches apart. What is the map scale
    10·1 answer
  • If m∠BAC = 60° what is m∠DBC?
    9·2 answers
  • So far monica has read 5 out of 6 of a book. She read the same nuber of pages each day gor 5days. What fraction of the book does
    10·1 answer
  • Brandy had $7,216.18 in a savings account with simple interest. She had opened the account with $7,006 exactly 1 year earlier. W
    8·1 answer
  • What is the value of the expression 6c^2 - 5d + 8, when c=5 and d=4?
    7·1 answer
  • Can someone solve this for me plsss i really need help with this no links an dno doing it just for the points need all three que
    15·1 answer
  • Question 13 (5 points)<br> m_1 = (4x + 9)º and m_2 = (x - 14)° in the given figure. Find x.
    7·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!