Question

Answer this question properly with steps if you know otherwise don't . Don't Spam .....⚠️​

Answer 1

Step-by-step explanation:

Follow the slashed line drawn in the figure

You will get two triangles

Now use the heron's formula= √s(s-a)(s-b)(s-c)

where s is semi perimeter= (a+b+c)/2

a, b, c are the sides of the triangle

Then add the areas of two ∆s

Answer 2

Answer:

this is the ans and b part will be done in the same way