helpmeplease85 helpmeplease85

28-06-2021
Mathematics

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Find the value of the angle θ rounded to 1 DP.

The diagram is not drawn accurately

Find the value of the angle θ rounded to 1 DP The diagram is not drawn accurately class=

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Hihelp113 Hihelp113

28-06-2021

Answer:

Find length opposite to 30deg

Opposite = tan(30)*42

= 24.2

Whole side = 24.2+10

Find angle of 0 + 30deg: (say x)

Tan(x) = 33.2/42

Arctan(0.79) = x

x = 38.3

The angle to find:

38.3-30:

8.3

The angle is 8.3deg.

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