Answer:
Step-by-step explanation:
Rationalize the denominator by multiplying both denominator & numerator by the conjugate of the denominator.
Conjugate of the denominator 1 + √3 is 1 - √3

Answer:
I believe that the answer is 153 units^2.
9*10=90
And then 9*7=63, since there are two of the same triangle, we don't have to divide by 2.
So, 90+63=153.
I hope this helps!
It might be mmmm idk I’m too dome