Answer:
See below.
Step-by-step explanation:
The area = length of the base * perpendicular height.
If you are given the lengths of the side and the measure of one of the angles you can use the trigonometry to find the perpendicular height.
Answer:
the last option
Step-by-step explanation:
Answer:
51
Step-by-step explanation:
(64/28) X 21 = x-3
48 = x - 3
+3 +3
51
Take the inverse cosine of 0.5162
x=59 degree
