Answer:
x=6.3m
Step-by-step explanation:
Let the opposite side be y in 2nd triangle.
tan 27° = y/9
=> tan 27° X 9 = y
∴ y = 4.585m ≈ 4.59m
cos 43° = y/x
=> cos 43° = 4.59/x
=> cos 43° X x= 4.59
=> x = 4.59/cos 43°
∴ x = 6.276m ≈ 6.3m (corrected to 1 dp)
Answer:
AB = DF (Proved below)
Step-by-step explanation:
Here,
CE = CD + DE [since D is a point over CE]
= DE + EF [ Since, CD = EF (given)]
= DF [ Since, E is a point over DF] ---------------(1)
Again,
AB = CE (given) ------------------------(2)
So from (1) and (2),
AB = CE = DF
⇒ AB = DF (Proved)
They both use the intercections of arcs to find the line. I think.
If quarterly shrinkage (every 3 months) is 2.5%, then multiplying by $875,495 gives a value of 21887.38, or an average monthly shrinkage of 21887.38 / 3 = $7,295.79.For an employee to monitor the CCTV, it would cost ($7.5/h)(11 h/d)(30 d/m) = $2,475/month. Therefore, it is much cheaper (around 2/3 cheaper) to have an employee monitor CCTV rather than to allow the high shrinkage rate.
