A projectile is launched with a velocity of 330 m/s and observe that it lands 10km from the launch point. What was the initial angle of the projectile? Note: You may find that there are two angles that will work. Which angle will get the rocket to the target sooner?

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

Angles r and s are complementary. the measure of angle r is 31 degrees. which equation can be used to find angle s?

Akitchen is 12 ft. by 14 ft. with 10 ft. high walls. how much would it cost to put vinyl flooring in this room? $8.80 per ft