The volcanic Aleutian Islands are located off the coast of Alaska and are one site where geothermal energy could be an available resource. Which site on the map shows the Pacific and North American plate boundary along which the Aleutian Islands are located? *

In the following diagram it is given that dec, ab || dc, ad || eb, and ad is congruent to bc. a)why isn't abc a parallelogram even though it has a pair of parallel sides and a pair of congruent sides b)explain why be must be congruent to bc. further explain what type of triangle this makes triangle abc and what it tells you about angle 1 and angle 2c) finally why must angle 3 be congruent to angle 1? further, explain why we know that angle 3 is congruent to angle 2