To calculate the volume of a triangular prism, measure the width and height of a triangular base, then multiply the base by the height by 1/2 to determine the triangle's area. Next, measure the height of the triangular prism and multiply this by the triangle's area to get the volume.
<span>The cosine of an angle is the quotient of the side that angle lay on and the hypotenuse.</span> x-hypotenuse cos45=19/x 0.707=19/x, x=19/0.707, x=26.9 Hypotenuse is <span>approximately 27.</span>
