If we split the total amount of paint so that each can had the same amount, how much paint would be in each can?

Idon’t understand this.. will someone ? will mark brainliest along with 20 points.

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

Atriangle has a side lengths of 18cm, 80 cm and 81cm. classify it as acute obtuse or right?