43.1
Explanation

C = 2pi r
C = 2 x 3.14 x 6.87
C = 43.1 ft

Describe the relationship between the angles of similar triangles and the sides of similar triangles

In triangle △abc, ∠abc=90°, bh is an altitude. find the missing lengths. ah=4 and hc=1, find bh.

Billy plotted −3 4 and −1 4 on a number line to determine that −3 4 is smaller than −1 4 .is he correct? explain why or why not