Looks to me like a trapezoid
Edit: Isosceles trapezoid
27 - 6 is 21 and then 21 -(-10) which is really +10 is 31 and then 31 + (-19) is really 31 - 19 which is 12. So the answer 12. <span />
Answer:
Its 0
Step-by-step explanation:
First you do 6+3 because its "()". its 9. now you have 9-9 its 0