Answer:596
Step-by-step explanation:
511+85(5 is by itself),(8+1=9)(1+5=6)
511
+85
596
Hope I helped :D
To find the area of the shaded part we have to subtract the rectangle area from the triangle area :






And we're done
Have a great day ♡
I agree the answer is 225 and you can also use the calculator too.