Primary sources contain information
A. with the advantage of hindsight and the perspective of an outside observer and may be more objective.
B. provided by someone who's been through an event. It's a firsthand account that lends a unique perspective.
C. on statistics gathered after an important historical event.
D. on psychological information gathered from raw data from psychological tests.
So your circumference would be <span>34.557519189488 cm</span>. hope that helped
Im not sure about the second one, but for the first one, Alex’s height is 167.64 cm. :)
60° in radians is 1.047
The formula used is 60° × π/180 = 1.047rad
The answer is 0.18 (rounded)