Answer:
=

Step-by-step explanation:
Given:
Length of butcher paper,(diameter of three congruent circle) = 21 inches
Means, diameter of a circle =
= 7 inches
Questioned asked:
Area of one circle = ?
Solution:
Radius of a circle ,r = half of of one circle's diameter
r = 
= 
Area of circle = 


=

Therefore, Area of one circle ==

Answer:
17
Step-by-step explanation:
similar so there is equal and do equation form
Try to do best and give brilaint sign
Answer:
A.
Step-by-step explanation:
Physical scientists are often known as astronomers. Which is the study of space including planets, moons, comets etc.
Y = 6 because - ( 1 ) + 7 = 6