Find the volume of a regular triangular pyramid if it has height h=12 cm, base edge b=10 cm and height of the triangular base hb ≈ 8.7 cm.

Aline that intersects one of two parallel lines intersects the other also always sometimes never

If the altitude is drawn to the hypotenuse of a right triangle, then the two triangles formed are similar to the original triangle and to each other. which set of triangles shows the similar triangles created by the altitude in the diagram?

How do you write a paragraph proof to prove that the corresponding angles shown are congruent