Question

A triangular hoarding of dimensions 11m, 6m and 15m​

Answer 1

Answer:

Step-by-step explanation:

Total earning by the hoarding in a month is Rs. 141421.35.

Step-by-step explanation:

Given : A triangle hoarding of dimension 11m, 6m, 15m used for commercial activities. The hoarding yield an earning of rs 5000 per m² per month.

To find : Calculate total earning by the hoarding in a month ?

Solution :

First we find the area of triangle using heron's formula,

Where, s is the semi perimeter  

Here, a=11, b=6, c=15

Substitute the values,

The area is given by,

The hoarding yield an earning of Rs.5000 per m² per month.

Total earning by the hoarding in a month is

Therefore, Total earning by the hoarding in a month is Rs. 141421.35.

Raj earns Rs 25000 per month and saves Rs 5000 per month find the ratio of earnings to savings ​