If r = 16 in., find the length of an arc of the inscribed...

Question

(b) regular triangle:

in. (c) regular quadrilateral:

in. (d) regular octagon

Answer 1

Each of the figures requested divides the circle (circumference) into equal parts, 3 for the triangle, 4 for the square and 8 for the octagon. The circumference is 32π. You can do the arithmetic!