The supplement of 30° is the angle that when added to 30° forms a straight angle (180° ).
Answer:
well according to me steps relating to decision making one of them can be what you like doing like a hobby another one can be how it's going to benefit you and the people around you that's all I know sorry if
Answer: Width of box is not taken up by pencils = 
Width of each pencil 
Step-by-step explanation:
Given: Width of pencil box = 
Width of seven pencils = 
Width of box is not taken up by pencils = Width of pencil box - Width of seven pencils

Width of box is not taken up by pencils = 
Width of each pencil = (Width of seven pencils ) ÷ 7

Width of each pencil 
Multiply 80 by 5/8ths.
80*5/8=50
Answer:
The volume for the triangular prism is 40.5 cubic inches.
Step-by-step explanation:
Given:
The base of a triangular prism has an area of 18 square inches .
And the height is 4.5 inches.
Now, to get the triangular prism volume.
The base area = 18 square inches.
Height = 4.5 inches.
Now, to get the volume of prism we put formula:

Therefore, the volume for the triangular prism is 40.5 cubic inches.