Answer:

Step-by-step explanation:
Interior angles of a triangle = 180°

I hope I helped you^_^
I think the answer is B or C
Answer:
1668
Step-by-step explanation:
a small apartment is 834 square feet so if you x2 I think it will be 1,668
Answer:
66
Step-by-step explanation:
12(8)-9(8-6)-(12-9)(8)÷2=96-18-12 or 6(9)+(12-9)(8)/2=54+12
= 66 =66