Answer:
total ground and wall angle is 90°
beam angle with ground= 51
beam angle with wall =39
because total angle=angle with ground + angle with wall
angle with wall=total angle-angle with ground
angle with wall= 90-51=39
Y=17400(1+0.025)^8 is your equation and with that you get $21200.21
A triangle always equals 180 degrees
Answer: 1 1/2
Step-by-step explanation:
6 1/2 - 5 = 1 1/2