Determine the measure of ∠R, rounded to the nearest tenth of a degree. A)

129.9°

B)

50.1°

C)

39.9°

D)

44.7°

Step-by-step explanation:

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step-by-step explanation:

answer

d. 10

explanation

the distance from point y to wx is the height of the triangle.

using pythagoras theorem,

group similar terms to get,

this implies that,

take positive square root of both sides to get,

this implies that,