12.56
Step-by-step explanation:
A = π x r^2
r =2
2^2 = 4
π × 4 = 12.56
Answer:
Im not sure but i think its A=1, B=0, and C=9
Step-by-step explanation:
hope this helps
Answer:
answer is d
Step-by-step explanation:
Answer:
Step-by-step explanation:
Answer:
96 cm²
Step-by-step explanation:
The lateral surface area (A) is the sum of the areas of the 4 slant faces.
The faces are triangular with area
bh , thus
A = 4 ×
× 8 × 6 = 2 × 48 = 96 cm²