Answer:
The answer is D. Conditional
Step-by-step explanation:
Conditional statements are all written in the form of "IF _____, THEN _____"
1 = 30 degrees
2 = 30 degrees
l3 = 120 degrees
4 = 60 degrees
5= 60 degrees
6 = 60 degrees
7 = 30 degrees
8 = 120 degrees
9 = 30 degrees
Answer:
3x + x + 100° = 180°
⇔ 4x = 80°
⇔ x = 20°
Step-by-step explanation:
4*(10*12/2)+4*(12*9)+(12*12)= 816 ft^2
the surface area is 816 ft^2.