In two concentric circles, length of the chord of the outer circle touching the inner circle is 56c,. Find the area of the circular path
Answers
Answered by
1
Answer:
The area of the outer circle is πR2 .
The area of the inner circle is πr2 .
Therefore the area of the shaded region is the difference of the two:
A = π(R2 - r2)
Since that is a right-triangle, Pythagorus applies, so
R2 = 72 + r2
R2 - r2 = 72
Thus,
A = π(72)
Step-by-step explanation:
Similar questions