Assertion Reason Questions for Class 10 Maths Chapter 9 Applications of Trigonometry
Table of Contents
Directions:
(a) If both Assertion and Reason are correct and Reason is
the correct explanation of Assertion.
(b) If both Assertion and Reason are correct, but Reason is
not the correct explanation of Assertion.
(c) If Assertion is correct but Reason is incorrect.
(d) If Assertion is incorrect but Reason is correct.
Q.1. Assertion: If the length of shadow of a vertical pole is equal to its height, then the angle of elevation of the sun is 45°.
Reason: According to Pythagoras theorem, h2 = l2 + b2, where h = hypotenuse, l = length and b = base
Show Answer
Answer: (b)Q.2. Assertion: In the figure, if BC = 20 m, then height AB is 11.56 m.
Reason: tanθ = AB/BC = perpendicular/base, where θ is the angle ∠ACB
Show Answer
Answer: (a)Related Posts
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