Answer:

Step-by-step explanation:
step 1
Find the length side of the smaller square
The area of the square is equal to

so


step 2
Find the length side of the larger square
The area of the square is equal to

so


step 3
Find the value of x
Applying the Pythagoras Theorem

substitute the values



Answer:
3.14x7.6=23.864 because raidus is the disctance around one circle
Step-by-step explanation:
Answer:
x = - 8, y = 2
Step-by-step explanation:

Answer : AB and DE are the secants
Explanation: Because they both intersect the circle in exactly 2 points