Question

EXERCISE 12.1
1. A traffic signal board, indicating SCHOOL AHEAD', is an equilateral trian
side ‘a'. Find the area of the signal board, using Heron's formula. If its per
180 cm, what will be the area of the signal board?

2, The triangular side walls of a flyover have been used for advertisements. The se
the walls are 122 m, 22 m and 120 m (see Fig. 12.9). The advertisements ye
earning of 5000 per m² per year. A company hired one of its walls for 3 months
much rent did it pay?




please sove it in sensitive method .​

Answer 1

Answer:

I can't solve both the questions to long question