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Answer:
BD = 4.99 units
Step-by-step explanation:
Consider the triangle ABD only. The angle formed is 31 degrees which occurs between two sides that are AD and BC. We know that for a right angled triangle, the angle can always be taken as an angle between hypotenuse and base. Thus, The perpendicular sides is then 3 units, where base is BD and Hypotenuse is AD Using formula for tanθ tanθ = Perpendicular/Base tan31 = 3/BD 0.601 = 3/BD BD = 3/0.601 BD = 4.99 units
Answer:
<em>Probability ≈ 0.0833</em>
Step-by-step explanation:
Consider steps below;



<em>Solution; Probability ≈ 0.0833</em>
The r-value, or common ratio, can be calculated by dividing any two consecutive terms in a geometric sequence.