Answer:
149? I could be wrong I haven't done this type of math in a while.
Step-by-step explanation:
From B to D, that angle would be 180. so 180 - 31 = 149
Answer:
first we should to multiply 3 and 3 and at last we should multiply a and a then the answer comes 9asquare
35 plus 17.5 equals 52,5 then 52.5 plus 14 equals 66.5