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
Veronika [31]
2 years ago
7

Circle A has a radius of 9.0 cm. The shortest distance between B and C on the circle is 8.5 cm. What is the approximate area of

the shaded portion of circle A?
30.0 cm²

38.25 cm²

56.5 cm²

254.5 cm²

Mathematics
1 answer:
love history [14]2 years ago
5 0

Answer:

38.25 cm²

Step-by-step explanation:

We use the formula for the length of an arc to find the central angle of the sector of the circle.

Then we use the formula for the area of a sector of a circle to find the area.

Length of arc of circle of radius r:

s = \dfrac{n}{360^\circ}2 \pi r

s = arc length

n = measure of the central angle of the sector

s = \dfrac{n}{360^\circ}2 \pi r

8.5~cm = \dfrac{n}{360^\circ}2 \pi \times 9.0~cm

n = 54.1^\circ

Area of sector of circle of radius r:

A = \dfrac{n}{360^\circ} \pi r^2

A = area of sector of circle

n = measure of the central angle of the sector

A = \dfrac{54.1^\circ}{360^\circ} \pi (9.0~cm)^2

A= 38.25~cm^2

You might be interested in
How do I do a ratio?​
Kamila [148]
A ratio is comparing one thing to another (numbers in this case). You can write ratios in many ways
here’s three different ways.
There are four girls and and 2 boys.
The ratio of girls to boys is:
4:2
4 to 2
4/2

*THE RATIO MUST ALWAYS BE IN ORDER!!! If boys come first in the problem WRITE THE BOYS NUMBER FIRST! If girls come first, WRITE THE GIRLS FIRST IN THE RATIO!!! (That’s a very common mistake) hope this helps!
6 0
3 years ago
The following is a square, solve for x
QveST [7]

Answer:

6

Step-by-step explanation:

Multiply 7x+3 by 2. When you get 14x+6, set equal to 90 and solve for x.

7 0
3 years ago
How can 3/7 divided by 2/4 be written in simplest form?
vova2212 [387]
Presenting your problem symbolically:

3
--
7
                                  
====     becomes 
 2
---
 4


 3
---
 7

====

  1
  ---
    2

To divide by 1/2, multiply by 2/1:

3    2
-- * ---
7     1

Multiplying, we get 6/7.
5 0
3 years ago
The student on each team who drew the greatest number will be the captain
Maurinko [17]

Answer:

Marcy

Step-by-step explanation:

6 0
3 years ago
Can someone plz help me with these problems (ZOOM IN TO SEE )!!
coldgirl [10]
$1,600 * 0.03

hope that helps you figure out the 3% interest question
8 0
2 years ago
Read 2 more answers
Other questions:
  • Please help! I’m not good with y=mb+x
    10·2 answers
  • MARKING BRAINIEST!!! PLEASE HELP ASAP!!!
    12·1 answer
  • 70 hundreds = _____thousands​
    13·2 answers
  • Please Help!!!
    5·2 answers
  • Simplify (square root)2/^3(square root)2
    7·1 answer
  • Please Solve this. Last Question of the Day So Points Increase a little bit. :)
    5·2 answers
  • The average resident of a country uses 100 gallons of water per day. The population of the country is about 3.23 * 10^8 . About
    5·1 answer
  • Question 9: Sorry its blurry. Plz help ASAP
    15·2 answers
  • Graph the following equations.<br><br> X=1
    15·2 answers
  • What is the value of "X"?
    15·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!