Question
If A and B are both symmetric matrices of the same
order, then which of the following is necessarily skew-symmetric?Solution
Given: A and B are symmetric matrices of the same order.
We need to find which of the following is necessarily skew-symmetric: Option (A): AB 
Triangle ABC is similar to triangle DEF. For triangle ABC, sides are AB = 6 cm, BC = 8 cm, CA = 10 cm. If DE corresponds to AB and DE = 9 cm, find the ...
Area of a triangles with vertices at (2, 3), (-1, 0) and (2, -4) is :
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The area of two similar triangles is 361 cm² and 324 cm², respectively. What is the ratio of their corresponding altitudes?
- The base of a right pyramid is an equilateral triangle with side 8 cm. If the height of the pyramid is 36√3 cm, determine the volume of the pyramid.
What is the height of an equilateral triangle with a side length of 10√2 cm?
- The base of a right pyramid is an equilateral triangle with side 12 cm. If the height of the pyramid is 40√3 cm, calculate the volume of the pyramid.
In a ∆ABC, angle BAC = 90°. If BC = 25 cm, then what is the length of the median AD?
A right-angled triangle has an area of 120 m², and the ratio of its base to height is 5:3. The side length of an equilateral tri...
The base of a triangular plot is 25 meters, and its height is 30 meters. If a path of 2 meters wide is to be built around the plot, what will be the are...
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