An angle of 180° is flat, so it can't be an exterior angle of a triangle.
your answer is:
never true
Actually, the "slant height" is 4, but the vertical height or "altitude" of the equilateral triangle is not 4
but anyway.....

and the volume, is the area of the triangle, times the length, so, whatever you get for the area of the triangle * 10
Answer:
x = y · 11
Step-by-step explanation:
Since x is divided by 4, we have to multiply each side by 4.
x-7=y · 4 To get x by itself, add 7 to each side to get x = y · 11
Answer:
3 tan theta=root 3
tan theta=root 3/3
tan theta=0.57
Step-by-step explanation:
Answer:
9a/ -3a
Step-by-step explanation: