Answer:
80 degrees
Step-by-step explanation:
all triangles have the angles of 180 degrees, so by that logic, 180-70-30=80.
Answer:
2:9 or 2/9
Step-by-step explanation:
I guess this question asks the simplest form of ratio 4:18
so I divided it by two and since they cannot be divided further that's the answer
you can either choose to write it in ratio form or fraction form that's your choice good day.
The formula for the volume of a cone is:

The formula for the volume of a cylinder is:

The formula for the volume of a triangular prism is:

The formula for the volume of a pyramid is:

The formula for the volume of a rectangular prism is:

Answer:
ΔCFE is a right triangle
ΔBEC is an acute triangle
ΔBFG is an equilateral triangle
ΔGAF is an obtuse isosceles triangle