Um.. listen to the teacher more
answer : the BC is measure by 4, and also if you wanna add this the AB is measure by 3.
Step-by-step explanation:
Using the SSA formula:
X = SQRT ( 40^2 + 26^2 - 2*40*26*cos(65))
X = SQRT(2276 - 2080*cos(65))
X = SQRT(1396.954)
X = 37.37 = 37.4 ft.
Answer:
the height of the triangle is 47 inches
The answer would be 10 11/20 or 10.55 in decimal form