
<u>Given expression is </u>

can be rewritten as

We know,

And

So, using this identity, we


can be further rewritten as





<u>Hence, </u>

Answer:
255m^2
Step-by-step explanation:
You multipliy 15 and 34. Then you divide by 2
I can’t really explain but this is my working step by step, hope u can understand and see if it helps you :)
I don't know for a fact but I think k=1.125