The diagonal intersection of the regular quadrilateral pyramid is equilateral triangles with surface 16√3. a) Unify the total surface of the pyramid.

b) Unify the volume of the pyramid

c) Find the measure of the angle formed by the side ribs with the plane of the base

d) Find the measure of the angle formed by the side plane with the base plane.​

Marie drew the triangle shown. she wants to draw a second triangle that is different from this one. use the drop-down menus below to complete the statements about the second triangle.

You draw a card at random from a deck that contains 33 black cards and 77 red cards.

Which two properties of equality could zoe use to finish solving for x? the equation is 3x - 4 = -10 for x so a either the addition or subtraction property of equalityb ether the multiplication or division property of equality c ether the addition or division property of equality d ether the subtraction or division property of equality just a simple a b c or d plz.