17. A tennis ball is dropped from the top of a tall building. The ball's height, in meters, 1 seconds after it is released is h(t) = 4.912 +20 + 50
When is the ball 20 meters above the ground? (2 decimal places) (hint: set = 20 and solve for x)

deez nu tz

step-by-step explanation:

step-by-step explanation:

two pairs of adjacent sides are of equal length. this implies that one diagonal divides the kite into congruent triangles, and so the angles between the two pairs of equal sides are equal in measure. it also implies that the diagonals are perpendicular.

it has to have an angle of 90 degrees

look in attachments

step-by-step explanation:

a = (-2, 0)

b= (-4, 0)

c = (-5,2)

d = (-1,2)