Is there suppose to be a link or something more to this question?
Answer:
80°
Step-by-step explanation:
Just multiply 40° by 2 to get the arc
Answer: D
Tracing
Step-by-step explanation:
Sir Arthur Conan Doyle, author of the Sherlock Holmes stories, was credited as an influence to forensic science due to his character's use of methods such as fingerprints, serology, ciphers, trace evidence, and footprints long before they were commonly used by actual British and American police forces.
Answer:
18
Step-by-step explanation:
volume of cone=πr²*h/3
21/3=7, 3.14*7=21.98,1780.38/21.98=81,square root of 81=9,9+9+18
180-134=46 98+46=144. 180-144=36. angle y=36. So the answer is D)36.
