What’s wrong with the rock name “potassium-feldspar andesite porphyry”?

According ti the following map, what are the most common mineral resources found in the united states?

The diagram shows , , and . which statement can be proven true from the diagram? a. ∠dgb is supplementary to ∠ega. b. ∠dgb is supplementary to ∠cgb. c. ∠cgb is supplementary to ∠agd. d. ∠ega is supplementary to ∠egc. e. ∠egd is supplementary to ∠cgb.

If the basis of an isosceles trapezoid have lengths of 11 and 26, what is the length of the median?