Answer:

Step-by-step explanation:
we know that
The sum of the interior angles in any triangle must be equal to 180 degrees
so

substitute the given values

solve for x


Find the angle measurements



the height:

(with g being the gravitational acceleration)
Answer:
.764
Step-by-step explanation:
do it on a calculator (TI84)
Is a collection of well defined and distinct objects.
Ex: ( A B C D E) all letters
Ex2: ( January, February, March, April) all months