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Question

In figure 1, AD=3 cm, BD=4 cm and CB=12 cm, then the value of tan θ equals

83325_395a8a6f253c4334a8bf1192542c1953.png

A
34
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B
512
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C
43
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D
125
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Solution

The correct option is B 512

tanθ=ABBC
Now, in ADB,
AB2=BD2+AD2
=42+32
=25
AB=5cm
tanθ=512
Hence, the answer is 512.

894403_83325_ans_fa401e39407f48598447829ecd9cb6d3.png

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