Step-by-step explanation:
R = 6.5cm and r = 2.3 cm
area of the shaded region = area of the outer circle - area of the inner circle
= πR²-πr²
=π(R²-r²)
=π{(6.5)²-(2.3)²}
=π (42.25-5.29)
= 3.14× 36.96
= 115.866
= 116 cm²
Answer:
C
Step-by-step explanation:
Becuz 9+9=17, which is the sum of 9 and 9.
Answer:
23 and 14
Step-by-step explanation:
Answer:
1 2/7 ........................................
