Mathematics
(a) The diagonals of a rhombus are 24 cm and 10 cm. Calculate its area and perimeter.
(b) The diagonals of a field in the form of a quadrilateral are 106 m and 80 m and intersect each other at right angles. Find the cost of cultivating the field at the rate of ₹ 25.50 per 100 m2.
Related Questions
The following data have been arranged in ascending order of magnitude.
63, 66, 69, x, x + 2, 76, 89 and 103.
If the median of the given data is 71, find the value of x.
(a) An isosceles right-angled triangle has area 200 cm2. What is the length of its hypotenuse?
(b) The perimeter of a triangle is 540 m and its sides are in the ratio 12 : 25 : 17. Find the area of the triangle.
(c) Find the area of triangle whose sides are 5 cm, 12 cm and 13 cm. Also, find the length of its altitude corresponding to the longest side.
If the difference between the two sides of a right-angled triangle is 2 cm and the area of the triangle is 24 cm2; find the perimeter of the triangle.
Calculate the area of quadrilateral ABCD in which ∠A = 90°, AB = 16 cm, AD = 12 cm and BC = CD = 12.5 cm.