What is the value of x?
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? cm

The value of the x is 176.6 cm .

Step-by-step explanation:

By using the pythagorean theorem .

Hypotenuse² = Perpendicular² + Base²

As in the ΔTVY .

TV² = VY² + YT²

As TV= 95.2 cm

VY = 34 cm

Putting the values in the above

95.2² = 34² + YT²

9063.04 - 1156 = YT²

7907.04 = YT²

YT = 88.9 cm (Approx)

As in the ΔTYK .

TK² = KY² + YT²

TK = 168 cm

TY= 88.9 cm

Putting the values in the above

168² = 88.9² + YK²

28224 - 7903.21 = YK²

YK = 142.6 cm  (Approx)

Thus

VK = VY + YK

Putting the values in the above

VK = 34 + 142.6

     = 176.6 cm

Therefore the value of the x is 176.6 cm .

a = 3.14

b = 18

c = 18/5 or 3.6 or 3 3/5

step-by-step explanation:

answer: cos [   arcsin (3/5) - arccos (1/2) ] =

step-by-step explanation: × = 3/5 = 0.6--> x = 36.87 and x = 180 - 36.87 = 143.13 deg

cos y = 1/2 --> y = +- 60 deg a. cos (x - y) = cos (143.13 - 60) = cos 83,13  

=

0.12

b. cos (36.87 - 60) = cos (-23.23) = 0.92