Step-by-step explanation:
what huh?????? i dont understand
First off, you must have a calculator to find any cos,sin, or tan.
tangent of 39 degrees is .80978
rounding to the nearest ten thousandth would be .8098 because the 8 in the hundred thousandths is greater than 5.
A triangular Prism has the 6 faces, 9 edges, 5 verticles
1 radian is 57.2958 degrees
pls mark as Brainliest