67.2k views
4 votes
R, S, and I are collinear. S is between R and T. RS = 2w +1,
ST= 6w , and RT=81.

User IsaacHerb
by
5.0k points

1 Answer

4 votes

Answer:

w = 10

Explanation:

Here, we want to find the value of w

Since the three points are collinear, then;

RS + ST = RT

Thus;

81 = 2w + 1 + 6w

81 = 8w + 1

8w = 81-1

8w = 80

w = 80/8

w = 10

User Joel Fernandes
by
5.1k points
Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.