CBSE IX | MATHEMATICS Sample Paper – 1 Solution CBSE Class IX Mathematics Term II Sample Paper - 1 Solution (SECTION – A) 1. Correct Answer: C Graph of equation x = k is parallel to the y-axis. 2. Correct Answer: B As this data will be available through some agency only and will not be collected by the student himself‚ it is known as secondary data. 3. Correct Answer: A The positive solutions of the equation ax + by + c = 0 always lie in the 1 st quadrant. 4. Correct Answer: C Perpendicular from
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Description This program will determine the usable area of a house. The rooms are rectangular in shape and maximum of four rooms are allowed to be calculated at once. It will use the area formula for a rectangle to find the usable area of each room and once the calculation are made for each room it will print out the total usable area of a house to the output screen. Analysis This program will calculate the usable area in square feet of a house with a maximum of four rooms that are rectangular
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Area of a Rectangular Prism = 2ab + 2bc + 2ac | [pic](a‚ b‚ and c are the lengths of the 3 sides) In words‚ the surface area of a rectangular prism is the are of the six rectangles that cover it. But we don’t have to figure out all six because we know that the top and bottom are the same‚ the front and back are the same‚ and the left and right sides are the same. The area of the top and bottom (side lengths a and c) = a*c
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null set. ADJACENT ANGLES: A and B‚ B and C‚ C and D‚ D and A OPPOSITE ANGLES: A and C‚ B and D The Sum of the measures of all the angles of a Quadrilateral is 360. TYPES OF QUADRILATERALS:- 1> Trapezium Parallelogram Rectangle Rhombus Square Kite TRAPEZIUM In a quadrilateral if only one pair of opposite sides are parallel to each other‚ then the Quadrilateral is called Trapezium. Adjacent angles are supplementary to each other. In trapezium if E and
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diagonals bisect each other A quadrilateral is a parallelogram‚ if (i) opposite sides are equal or (ii) opposite angles are equal or (iii) diagonals bisect each other or (iv) a pair of opposite sides is equal and parallel l Diagonals of a rectangle bisect each other and are equal and vice-versa. Diagonals of a rhombus bisect each other at right angles and vice-versa. Diagonals of a square bisect each other at right angles and are equal‚ and vice-versa. The line segment joining the mid-points
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a silhouette? (1.0 points) A black shape on a light background. 5. What is a profile? (1.0 points) The side view of something i.e. a car or person’s face. Lesson 2 (5.0 points) 1. What is the difference between a square and a rectangle? (1.0 points) A rectangle is a shape with four sides and four right angles. A square has four sides of the same length and four right angles. 2. What is an ellipse? (1.0 points) A circular geometric shape. 3. What is the difference between a circle and an oval
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parallelogram is a quadrilateral in which pairs of opposite sides are parallel and are congruent. Opposite sides are parallel and equal in length‚ and opposite angles are equal (angles "a" are the same‚ and angles "b" are the same) NOTE: Squares‚ Rectangles and Rhombuses are all Parallelograms! Name the kind of parallelogram this figure displays? Example 1: [pic] |[pic] |A parallelogram with: | | |all
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Sergeant Davies solicited help from Ms. Maris‚ an analyst in the operations area for the police department. Together they began to work through the problem. Sergeant Davies noted to Ms. Maris that normal patrol sectors are laid out in rectangles‚ with each rectangle including a number of city blocks. For illustrative purposes he defined the dimensions of the sector as x in the horizontal direction and as y in the vertical direction. He explained to Ms. Maris that cars traveled in straight lines either
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Statistics Average (Arithmetic Mean): (sum of all numbers)/(number of numbers) Geometry Formulas Angles Sum of Interior Angles of Polygon = (n-2)(180) n = number of sides of a polygon Central Angle = 2(Inscribed Angle) Area Square: A = a2 Rectangle: A = lw Parallelogram: A = bh Trapezoid: A = .5(a+c)h‚ where a and c are the lengths of the parallel sides Circles π = pi = 3.1415 Area: A = πr2 Circumference: C = 2πr Central Angle = 2(Inscribed Angle) Area of Sector = (x/360)πr2 www
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Prepare the Gift 1. Remove all price tags from the gift. Don’t forget there are often several price tags on an item. 2. If the item is oddly-shaped‚ try to find a box that it will fit in. A square or rectangular shape is easiest to wrap. Pack it in the box with tissue paper. If it is breakable‚ be sure to pack it tightly and securely. 3. If you have a gift receipt for the item‚ include it in the box in case it needs to be returned. These are most common for clothing items in case they don’t fit
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