Question

the sides of a triangle are 16cm,30cm,and 34cm. it's area is​

Answer 1

Answer:

Given sides of triangles are a=16cm,b=30cm,c=34cm respectively

Semiperimeter s=  

2

16+30+34

​  

cm

=  

2

80

​  

=40cm

By heron's, area of the triangle is

s(s−a)(s−b)(s−c)

​  

cm  

2

 

=  

40(40−16)(40−30)(40−34)

​  

cm  

2

 

=  

40×24×10×6

​  

cm  

2

 

=  

4×10×4×6×10×6

​  

cm  

2

 

=4×6×10cm  

2

 

=240cm  

2