Question Text
Question 1 :
The sides of a triangle are 11 cm 15 cm and 16 cm The altitude to largest side is
Question 2 :
Using Heron's formula find the area of a quadrilateral whose sides are $3\ cm, 4\ cm, 4\ cm$, and $5\ cm$. The angle between the first two sides is $90^0$. <br/>
Question 3 :
Find the area of a quadrilateral whose sides are $3\ cm, 4\ cm, 2\ cm$, and $5\ cm$. The angle between the first two sides is $90^o$. (Use Heron's formula)<br/>
Question 4 :
An equilateral triangle and a regular hexagon have the same perimeter. If the area of the hexagon is $72\sqrt{3}$, calculate the area of the triangle.
Question 5 :
<p>A traffic signal board, indicating 'SCHOOLAHEAD', is an equilateral triangle with side $a$. Find the area of the signal board, using Heron's formula. If its perimeter is $180 cm$, what will be the area of the signal board?</p>