33.7k views
4 votes
Find the value of r.A. 3B. 24C. 12D. 2

User TSL
by
8.1k points

1 Answer

2 votes

The value of r can be found as follow

We will use the relationship


RU=UA


18-2r=4r

Collecting like terms


\begin{gathered} 2r+4r=18 \\ 6r=18 \end{gathered}

Divide both sides by 6


r=(18)/(6)=3

r=3

Answer = A

User Shruti
by
8.7k points

Related questions

asked Jan 25, 2023 212k views
CodingHero asked Jan 25, 2023
by CodingHero
8.4k points
1 answer
2 votes
212k views
2 answers
2 votes
3.0k views