Crickets and math
Thanks for help

How to use order of operation in 20 divide by 4 multiply 5 = 1

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

The midpoints of the sides of the large square are joined to form a smaller square. what is the area of the smaller square