Find the circumference and area of radius 7 cm.	Choose the correct choice from the following answers
A) 151 cm ²
B) 152 cm ²
C) 154 cm ²
D) 155 cm ²
E) 157 cm ²

Rationale: "circumference of circle = 2 π r = 2 × 22 / 7 × 7 = 44 cm area of circle = π r ² = 22 / 7 × 7 × 7 cm ² = 154 cm ² answer : c"
Answer: C