Answer:
38.5 square feet
Step-by-step explanation:
base x height then divide the answer by 2
the area of the triangle is (11x7)/2. That would be 77/2, which is 38.5.
A
105°
11x-5 + 6x+5 + x = 180
18x = 180
x = 10
m∠Q = 11(10)-5 = 110-5 = 105°