28. What is the area of the
rectangular billboard?
20 ^7ft x 7^8ft

Step-by-step explanation:

the answer for this question is : 360°

step-by-step explanation:

we have been given a triangle   we need to tell which one of these is a triangle below to map onto itself.

360° rotation is the complete rotation which eventually leads to the same figure which is given.

the correct will be, that is 360° that will cause the triangle below to map onto itself.

v = 1/3 a^2h

step-by-step explanation:

the volume is 1/3 a^2h.