It’s the first answer choice
Hope this helps
Step-by-step explanation:
3 - (9 \times 36 \times 36)
3 - (324 \times 36)
3 - (11664)
= (11661)
Sry but that’s too much which one would you like help on
Answer:
Step-by-step explanation:
The interior angles of a heptagon add up to 5*180 = 900
So
x + 143 + 116 + 135 + 135 + 116 + 155 = 900 Add up the known angles
x + 800 = 900 Subtract 800 from both sides
x + 800 - 800 = 900 - 800 Combine
x = 100
