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
gizmo_the_mogwai [7]
4 years ago
9

2) Suppose that circles A and B have a central angle measuring 40°. Additionally, circle A has a radius of 5 2 ft and the radius

of circle B is 9 2 ft. If the measure of the sector for circle A is 25 36 π ft2, what is the measure of the sector for circle B?
Mathematics
1 answer:
sleet_krkn [62]4 years ago
3 0

Let 

rA--------> radius of the circle A

rB-------> radius of the circle B

SA------> the area of the sector for circle A

SB------> the area of the sector for circle B 

 

we have that

rA=5/2 ft

rB=9/2 ft

rA/rB=5/9-----------> rB/rA=9/5

SA=(25/36)π ft²

 

we know that

 

if Both circle A and circle B have a central angle , the square of the ratio of the radius of circle A to the radius of circle B is equals to the ratio of the area of the sector for circle A to the area of the sector for circle B

 

(rA/rB) ^2=SA/SB-----> SB=SA*(rB/rA) ^2----> SB=(9/5) ^2*(25/36)π--->

<span>SB----------- > (81/25)*(25/36)------ > 81/36------ >  9/4π ft²</span>

 

the answer is

<span>the measure of the sector for circle B is (9/4)π ft²</span>


You might be interested in
0.10 x 37.7 explain please
kodGreya [7K]

Answer: The answer is 3.77.

Explanation: Since 0.10 is 10 times smaller than 1, we know that if we divide 37.7 by 10, we will get the same answer as 0.10 x 37.7.

5 0
2 years ago
Slope-intercept passes through (-2,1) and (2,-5)
Elenna [48]
I wish i knew but i need points sorry
3 0
3 years ago
How do you solve a linear equation
Olenka [21]
It is hard to explain without a picture. You have the line graph and depending on what your numbers are, you place them where the teacher, (or paper) says too. You would then move two to the right, and one up. You would keep repeating that pattern until you got to the top of the graph. After that you would draw a strait line through it. If you are dealing with negative numbers, then depending on which one is negative, you would move two to the LEFT from the starting point and go one up. You repeat that pattern as well, then once you reach the top of the page you draw a line through it.
I hope this helped!
~ Maya
8 0
3 years ago
Read 2 more answers
What is the solution of this equation x + 6 =24
lawyer [7]
If you are looking for x then it is X = 18
3 0
3 years ago
Read 2 more answers
A little help please!!
Bumek [7]

Answer:

x=4 y=1

x=4 y=4

Step-by-step explanation:

x=4 goes on plot 4

(4,f(4)) plot goes on 4 x, 4 and y, 4

hope this helps

4 0
3 years ago
Other questions:
  • Complete the following statement. If AB = BC and A,B,C are collinear, then b is the BLANK of AC
    8·1 answer
  • Estimate square root of 90 to the nearest hundredths place
    15·2 answers
  • Please tell me the answer and explain it to me I really need it
    9·1 answer
  • <img src="https://tex.z-dn.net/?f=3.7x2.7%20" id="TexFormula1" title="3.7x2.7 " alt="3.7x2.7 " align="absmiddle" class="latex-fo
    14·1 answer
  • I need help with #7, I am not sure how to solve it and what interval means
    10·1 answer
  • The first Ferris wheel was a hit at the 1893 Chicago World’s Fair. Each of its 36 cars carried 40 riders. How many riders filled
    14·1 answer
  • Which phrase best represents the following?<br> n<br> _ =7<br> 5
    5·1 answer
  • Help ill give extra poihts
    13·1 answer
  • Points A, B, and D are on both planes.
    5·1 answer
  • Hopfuly someone will help me this time!
    14·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!