On the face of a dihedral angle, the degree measure of which is 45º, a point is taken that is at a distance a from the other face. Find the distance from this point to the edge of the dihedral.

Find the volume of the described solid.the solid lies between planes perpendicular to the x-axis at x = 0 and x=7. the cross sectionsperpendicular to the x-axis between these planes are squares whose bases run from the parabolay=-31x to the parabola y = 30/x.a) 441b) 147c) 864d) 882

Rena is building a 1: 180 scale model of a real castle. her model has a rectangular base that is 3 feet wide and 4 feet long what is the area of the base of the actual castle in square feet

Cody was 165cm tall on the first day of school this year, which was 10% taller than he was on the first day of school last year.