A square garden has an area of 2500 sq.m. A part of uniform width of 2.5m runs around it on the inside. Find the cost of laying it at Rs. 25 per sq.m.
Question
The area of a right triangle is 100cm2. If one of the perpendicular legs is 25 cm, find the length of the other.
abcd is a rhombus and pqrs are the mid points of the sides ab bc cd da respectively. show that quadrilateral pqrs is a rectangle
Without expanding prove that each of the following determinant vanishes (1/1/1 a/ b/c abc/abc/abc)
ABC is isocles triangle with AC=BC . OF AC2=2AC2 PROVE THAT IT IS A RIGHT TRIANGLE
