8,764 previous year Andhra & Telangana Board - Class 9 questions, grouped by year, with answers and solutions.
Refer to the Case Study 'Case Study: Parabolic Cable Geometry in Civil Engineering Suspension Bridges' to answer:
What geometric property distinguishes the vertex of the upward-opening parabola $y = ax^2 + c$ ($a > 0$)?
Directions: In the question below, a statement of Assertion (A) is followed by a statement of Reason (R). Choose the correct option:
Assertion (A): A concave mirror can form both real inverted images and virtual erect images.
Reason (R): When an object is placed between the pole and focus of a concave mirror, it forms an erect, magnified, virtual image.
సంధి సూత్రం (SSC Board Exam): 'స్వామి వివేకానంద' పదం ఏ సంధి సూత్రం ప్రకారం ఏర్పడింది?
Directions: In the question below, a statement of Assertion (A) is followed by a statement of Reason (R). Choose the correct option:
Assertion (A): The value of $\sin\theta$ cannot exceed 1 for any real angle $\theta$.
Reason (R): In any right-angled triangle, the hypotenuse is the strictly longest side, ensuring the ratio $\text{Perpendicular}/\text{Hypotenuse} \le 1$.
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