1. ABC , CBA, B, 4 Make sure to put Angle sign or Angle in Front !
Acute Angle
2. DEF, FED, E, 5
Right Angle
3. MNP, PNM, N, 1
Obtuse Angle
7x-2+=6x+2
Move 6x to the other side. Sign changes from +6x to -6x.
7x-6x-2=6x-6x+2
7x-6x-2=2
x-2=2
Move -2 to the other side. Sign changes from -2 to +2.
x-2+2=2+2
x=4
Answer: x=4
Length of rope = 12 - 2 = 10ft
Vertical length of Kyle from the top of the rope when pulled to position is 10cos30° = 8.66 ft
Kyle's height of the ground = 12 - 8.66 = 3.34 ft
To find how many hours he worked in total, simply add how many he worked on Monday to how many he worked on Tuesday.
43 + 35 = 78
John worked 78 hours in these two days.
Unless this is a trick question since there's only 24 hours in a day, not 35 or 43, then 78 hours is the correct answer.