Assertion: right triangle's angle | /r/CapableOf | measure forty-five degrees
Facets:
Source sentences:
text: To find, say, the sine of an angle measuring forty-five degrees, you would trace across in the "sin" row and down the "45°" column, taking the square-root symbol with you as you go and remembering to include the "divided by 2" from the bottom, to get sin(45°) = sqrt(2)/2 .