Mathematics
The base of a triangular field is 2.4 times its height. If the cost of levelling the field at the rate of ₹ 20 per square metre is ₹ 9,600; find its base and height.
Related Questions
The mean of 20 numbers is 20. If 2 is added to each of the first 10 numbers, find the mean of the new set of 20 numbers.
The mean of 2, 12, 4, 9, 5 and 16 is x. The median of 4, 3, x, x - 1, 12, and 16 is y. Find the values of x and y.
ABC and BDE are two equilateral triangles such that D is the mid-point of BC. If AB = 20 cm, find the area of the shaded portion. [Take √3 = 1.73]
![ABC and BDE are two equilateral triangles such that D is the mid-point of BC. If AB = 20 cm, find the area of the shaded portion. [Take √3 = 1.73]. Chapterwise Revision (Stage 2), Concise Mathematics Solutions ICSE Class 9.](https://cdn1.knowledgeboat.com/img/cm9/q100-chapterwise-revision-stage-2-maths-concise-icse-class-9-solutions-715x802.png)
Find the area and the perimeter of the following figure.
Given : AB = 12 cm, AC = 13 cm, DE = FG = 5 cm, EF = 10 cm and GD = 4 cm.
