Sorry I can't do number six, but the answer to number five should be ≈24.01 using the cosine ratio.
Answer:
n = 6
Step-by-step explanation:
Answer: Resultado=12 de comprimento.
Step-by-step explanation: 32 - 8 = 24 / 2 = 12.
4 wont be the answer. answer is 3.42
15% = 0.15
0.15 x 20 = 3
15% of 20 is 3.