Can someone Help me with this? I want to know HOW to do it so plz include explanation.
1 answer:
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Answer:
Step-by-step explanation:
Sin 21 =
Sin 21 =
0.3583 =
0.3583*15 = BC
BC = 5.3745 = 5.37 m
Tan ∅ =
Tan ∅ =
∅ = tan⁻¹ (0.7448) = 36.67 = 36.7
Answer:
C
Step-by-step explanation:
The length of arc AC (L) is calculated as
L = circumference of circle × fraction of circle
= 2πr ×
= 2π × 12 ×
= 2π × 5
= 10π ≈ 31.42 → C