Answer:
C. c^2=a^2+b^2-2abcos(90°)
Step-by-step explanation:
This is the law of cosine.
Answer:
11 : 22 : 132
Step-by-step explanation:
1 + 2 + 12 = 15
165 ÷ 15 = 11
1 × 11 = 11
2 × 11 = 22
12 × 11 = 132
11 : 22 : 132
Answer: 17/3
Step-by-step explanation:
Answer:
-0.985
Step-by-step explanation:
Refer to the image below for explanation:
Can you post the scale drawing please so I can help you