Answer:
Think it is A as 4x20=80.
Answer:...................:)
Step-by-step explanation:
x = 9
Sum of all angles of a triangle = 180
63 + 7x + 6x = 180
63 + 13x =180
13x = 180 - 63
13x = 117
x = 117/13
91.06
Step 1:
810.434 ÷ 8.9
Hope This Helps :)
