Answer : 12312
Step-by-step explanation : According to BODMAS, Addition (+) comes first
Hence -- 9 + 19 + 12 + 12323 = 12363
12363 - 12 - 39 = 12363 - 51
= 12312
The interior angle of a regular polygon is equal to each other since all sides of the polygon are congruent. The formula that expresses the relation of the sides of the polygon and the measurement of the interior angle is (n2)*180/n where n is 7. Each interior angle then measures 128.6 degrees.
Step-by-step explanation:
:? O ghhbbvbbbnhhggvhgffghhhhfgghtf
negative 3...............................
D is the correct answer, because it looks correct
