Answer:
Its Choice c.
Step-by-step explanation:
a = 60 degrees ( because of the arc = 60 degrees).
b = 1/2 * 60 = 30 degrees.
Answer:
2. D
3. B
Step-by-step explanation:
Answer:
<h3>
It's about 365 cm²</h3>
Step-by-step explanation:
2×πr² + 2πr×h =
= 2×π×4² + 2π×4×10.5 =
= 32π + 84π =
= 116π ≈
≈ 364.42 cm²
Answer:the length 7
Step-by-step explanation:each one is times 3 6x3 8x3 3x7=21
