What is the product of 3V3 and 4v 21 in simplest radical form?

The two-way frequency table below shows data on playing a sport and playing a musical instrument for students in a class.

1mile equals approximately 1.6 kilometers. which best approximates the number of miles in 6 kilometers?

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