167 is the volume of the prism
Because it is a 90° angle and the legs are congruent, the legs intersect with the hypotenuse at the same angle, so the other, unnamed angle at the bottom left is equal to x.
Now we can state that:
2x + 90 = 180
2x = 90
x = 45
17 tens can be said as 17 x 10
So 17 x 10 is 170
170 is in standard form
