Question

Find the areas of these triangles using the correct formulae​

Answer 1

Answer:

hi mate this is yr ans

Step-by-step explanation:

1st triangle

sides=5,4 cm

using herons formula find them

s=(a+b+c)/2

Area= root of s(s-a)(s-b)(s-c)

so.........

1st one ans=13root 5 cm sq

2nd one ans= 15cm sq

3rd one ans = 99cm sq