The base and lateral faces of a pyramid are congruent. which of the following statements are true? select all that apply.

the base of this pyramid is a square.
this pyramid has three lateral faces.
the lateral faces are equilateral triangles.
this pyramid is a tetrahedron.

Is the square root of 4 plus the square root of 16 rational?

If two angles of a triangle have equal measures and the third angle measures 90°, what are the angle measures of the triangle? a. 60°, 60°, 60° b. 45°, 90°, 90° c. 30°, 30°, 90° d. 45°, 45°, 90°

Prism m and pyramid n have the same base area and the same height. cylinder p and prism q have the same height and the same base perimeter. cone z has the same base area as cylinder y, but its height is three times the height of cylinder y. the figures and have the same volume.