Lines and Angles
19 solved questions from Class 9 Mathematics, each with the full working. Tap any question to see the step-by-step solution.
- 1 Solve the expression: 15 + 25 × 2. medium MCQ BODMAS Rule
- 2 Find the area of a rectangle with length 8 cm and breadth 5 cm. medium MCQ Area of Rectangle
- 3 What is the volume of a cube with edge 3 cm? medium MCQ Volume of Cube
- 4 Find the 10th term of AP: 2, 7, 12, ... medium MCQ Arithmetic Progression
- 5 Distance between points (0,0) and (6,8) is: medium MCQ Distance Formula
- 6 Find surface area of a sphere with radius 7 cm (π = 22/7). medium MCQ Surface Area of Sphere
- 7 If perimeter of a circle is equal to that of a square, find ratio of their areas. medium MCQ Areas Related to Circles
- 8 What is the nth term of an AP with first term a and common difference d? medium MCQ Arithmetic Progression
- 9 Coordinates of midpoint of line joining (x₁, y₁) and (x₂, y₂) is: medium MCQ Midpoint Formula
- 10 Find the value of (2⁰ + 3⁰) × 5⁰. medium MCQ Exponent Laws
- 11 What is the domain, range, or fundamental theorem introduced in 'Lines and Angles' (Class 9 Mathematics)? medium MCQ Functions & Theorems
- 12 What is the derivative or integral formula associated with 'Lines and Angles'? medium MCQ Calculus & Formulae
- 13 How do you find the solution set or optimum value in 'Lines and Angles'? medium MCQ Problem Solving & Optimization
- 14 Two straight lines intersect and form vertical angles. If one of the angles measures 110^circ, what is the measure of the other vertical angle? easy MCQ 1 mark Vertical angles
- 15 Find the angle between the lines 2x+3y-5=0 and 4x-y+7=0. hard 3 marks Angle between two lines
- 16 Find the equation of a line that passes through the point (2,5) and is parallel to the line 3x-4y+12=0. medium 2 marks Parallel lines and linear equations
- 17 Calculate the perpendicular distance between the parallel lines 2x - y + 3 = 0 and 2x - y - 5 = 0. medium 2 marks Distance between parallel lines
- 18 A line passes through the point (4,3) and makes a 45^circ angle with the positive x–axis. Find its equation. hard 4 marks Equation of line at given angle
- 19 If the acute angle between two intersecting lines is 70^circ, what is the measure of the obtuse angle formed by the same lines? medium 3 marks Vertical angles