NEED HELP(WILL GIVE MORE POINTS TO CORRECT ANSWER)

Look at picture

Step-by-step explanation:

m<NBS+ m<SBR = m<NBR

I hope I helped you^_^

no not all of them.

step-by-step explanation:

some of them have a square base.

the circumference of a circle is, 10.676 cm.

step-by-step explanation:

the formula for circumference of a circle is given by:

where

c is the circumference of a circle and

d is the diameter of a circle.

given: diameter(d) = 3.4 cm and use

substitute these values in [1] we get;

cm

therefore, the circumference of a circle is, 10.676 cm