Given: \overline{AB} \cong \overline{AD} AB≅ AD and \overline{AC} \perp \overline{BD}. AC⊥ BD
Prove: \triangle BAE \cong \triangle DAE△BAE≅△DAE.

Which is a true statement about an exterior angle of a triangle a. it is formed by two segments that are not sides of the triangle, b. it forms a linear pair with one of the interior angles of the triangle, c. it is complementary to one of the interior angles of the triangle. d. it is formed by two segments that are sides of the triangle.

How do you solving the solution of each system using elimination?

The figures below are made out of circles, semicircles, quarter circles, and a square. find the area and the perimeter of each figure and give your answers as a completely simplified exact value in terms of π (no approximations).