Answer:
D. 62 square feet
Step-by-step explanation:
uz + wx + (v+z)(y-u-w)
6*3 + 4*6 + (7+3)(12-6-4)
18 + 24 + 20 = 62
50 degrees
A whole line is 180 degrees.Subtract the known angle from 180 to find the missing angle,which is 50 degrees.
6.009,6.09,6.5,6.5071
An obtuse triangle has 1 obtuse angle and 2 acute angles.
