Answer:
its A I promise! good luck!
The answer is 67.5 you Find the area of the rectangle by times in length times width and then for the triangle you would times than 9 by the three and divide by two and then add up Both area’s
√(21+3/2)
√(21+1.5)
√(22.5)
We know that 5² is 25 and 4² is 16. 22.5 is between 16 and 25 so the square root is between 4 and 5.
Hope this helped!
The answer to your question is c.