Mensuration Exercise 15.2 – Questions Find the curved surface area of a cone, if its slant height is 60 cm and the radius of its base is 21 cm. The radius of a cone is 7 cm and area of curved surface is 176 cm2. Find its slant height. The area of the curved surface… Continue reading Mensuration Exercise 15.2 – Class 10

## Mensuration Exercise 15.1 – Class 10

Mensuration Exercise 15.1 – Questions: The height of a right circular cylinder is 14 cm and the radius of its base is 2 cm. Find its (i) CSA (ii) TSA An iron pipe 0 cm long has external radius equal to 12.5 cm and external radius equal to 11.5 cm. Find the TSA of the… Continue reading Mensuration Exercise 15.1 – Class 10

## Coordinate Geometry Exercise 14.4 – Class 10

Coordinate Geometry Exercise 14.4 – Questions: In what ratio does the point (-2, 3) divide the line segment joining the points (-3, 5) and (4, -9)? In the point C(1, 1) divides the line segment joining A(-2, 7) and B in the ratio 3:2, find the coordinates of B. Find the ratio in which the… Continue reading Coordinate Geometry Exercise 14.4 – Class 10

## Coordinate Geometry Exercise 14.3 – Class 10

Coordinate Geometry Exercise 14.3 – Questions: Find the distance between the following pairs of points (i) (8, 3) and (8,-7) (ii) (1,-3) and (-4, 7) (iii) (-4, 5) and (-12, 3) (iv) 6, 5) and (4, 4) (v) (2,0) and (0, 3) (vi) (2, 8) and (6, 8) (vii) (a, b) and (c, b) (viii)… Continue reading Coordinate Geometry Exercise 14.3 – Class 10

## Coordinate Geometry Exercise 14.2 – Class 10

Coordinate Geometry Exercise 14.2 – Questions: Find the equation of the line whose angle of inclination and y-intercept are given. (i) θ = 60˚, y-intercept is -2. (ii) θ = 45˚, y-intercept is 3. Find the equation of the line whose slope and y-intercept are given. (i) Slope = 2, y-intercept = -4 (ii) Slope… Continue reading Coordinate Geometry Exercise 14.2 – Class 10

## Coordinate Geometry Exercise 14.1 – Class 10

Coordinate Geometry Exercise 14.1 – Questions: Find the slope of the curve whose inclination is (i) 90˚ (ii) 45˚ (iii) 30˚ (iv) 0˚ Find the angles of inclination of straight lines whose slopes are (i)√3 (ii) 1 (iii) 1/√3 Find the slope of the line joining the points (i) (-4, 1) and (-5, 2) (ii)… Continue reading Coordinate Geometry Exercise 14.1 – Class 10

## Trigonometry Exercise 13.5 – Class 10

Trigonometry Exercise 13.5 – Questions: Find the value of ‘x’: (i) (ii) (iii) (iv) (v) II. A tall building casts a shadow of 300 m long when the sun’s altitude (elevation) is 30˚. Find the height of the tower. From the top o a building 50√3 m high, the angle of depression of an object… Continue reading Trigonometry Exercise 13.5 – Class 10