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Give reasons for the following: (a) A square can be thought of as a special rectangle. (b) A rectangle can be thought of as a special parallelogram. (c) A square can be thought of as a special rhombus. (d) Squares, rectangles, parallelograms are all quadrilaterals (e) Square is also a parallelogram.-Mathematics-cbse std 6th-Understanding elementary shapes.1 AnswerSay True or False: (a) Each angle of a rectangle is a right angle. (b) The opposite sides of a rectangle are equal in length. (c) The diagonals of a square are perpendicular to one another. (d) All the sides of a rhombus are of equal length (e) All the sides of a parallelogram are of equal length. (f) The opposite sides of a trapezium are parallel-Mathematics-cbse std 6th-Understanding elementary shapes.1 AnswerThe king was very happy with carpenters Chaggu and Anar. They had made a very big and beautiful bed for him. So as gifts the king wanted to give some land to Chaggu, and some gold to Anar. Chaggu was happy. He took 100 metres of wire and tried to make different rectangles. He made a 10m 40m rectangle. Its area was 400 square metres. So he next made a 30m 20 m rectangle. - class 5 math 1 Answer So Anar also tried many different ways to make a boundary for 800 square metres of land. -class 5 math 1 AnswerA rectangle is formed by joining the mid-points of the sides of a rhombus. Show that the area of rectangle is half the area of rhombus. CBSE class 9 Mathematics1 AnswerIf all the sides of a parallelogram touch a circle, show that the parallelogram is a rhombus. CBSE Mathematics1 AnswerA wire of length 340 mm is to be cut into two parts. One of the parts is to be made into a square and the other into a rectangle where sides are in the ratio of 1:2. What is the length of the side of the square (in mm) such that the combined area of 1 AnswerProve that the parallelogram circumscribing a circle is a rhombus. Mathematics CBSE class 10 20131 AnswerThe maximum area (in square units) of a rectangle-.GATE EC 20151 AnswerShika runs around a square of side 75m. Priya runs around a rectangle with length 60m and breadth 45m. Who covers the small distance ? -Mathematics-cbse-std 6th-Perimeter and Area1 AnswerSolve the following riddles, you may yourself construct such riddles. Who am I?-Mathematics-cbse-std 6th-Algebra1 AnswerRead the passage given below and answer the questions that follow. CBSE-english-20161 AnswerWhy are human resources considered as a special resource? CBSE-geography-class-81 AnswerIn a triangle, if the square of one side is equal to the sum of the squares of the other two sides, then prove that the angle opposite the first side is a right angle. CBSE Mathematics1 AnswerIf A, B, C are three points on a line such that AB = 5 cm, BC = 3 cm and one of them lies between the other two?-Mathematics-cbse std 6th-Understanding elementary shapes.1 AnswerName each polygon.-Mathematics-cbse std 6th-Understanding elementary shapes.1 AnswerThe constraint A^2 = A on any square matrix A is satisfied for -GATE-Aerospace Engineering-Question-20121 AnswerWhy is it better to use a divider than a ruler, while measuring the length of a line segment?-Mathematics-cbse std 6th-Understanding elementary shapes.1 AnswerThe electric field intensity of a plane wave traveling in free space is give by the following expression -GATE EC 20151 AnswerName each of the following triangles in two different ways: (you may judge the nature of the angle by observation).-Mathematics-cbse std 6th-Understanding elementary shapes.1 Answer