Which of these needs to be completed first in order to construct a circle that circumscribes a triangle? A. the perpendicular bisectors of any two sides of the triangle

B. the lines perpendicular to any two sides of the triangle

C. the altitudes of any two sides of the triangle

D. the medians of any two sides of the triangle

Step-by-step explanation:

step 1. draw a perpendicular bisector for 2 sides of a triangle.

step 2. where they cross is the center of the circle.

step 3. construct a circle starting at one triangle point and the circle will connect all triangle points.

arithmetic sequence

step-by-step explanation:

given that a sequence has terms as

19, 15, 11,

this is represented on a graph

the pattern indicates that the sequence is an arithmetic sequence with i term

a=19 and common difference d =-4

any general term

thus the sequence is reduced by 4 for each successive term starting from 1 and nth term is

24-5n.

first negative term would start after 5th term

5th term =24-25< 0

from 5th term onwards the sequence would be negative.

207/8 is the right