Solve for r
negative 13 equals r over 9 plus eight

r = - 189

Step-by-step explanation:

Given

- 13 = + 8 ( subtract 8 from both sides )

- 21 = ( multiply both sides by 9 )

- 189 = r

1)is not similar since corresponding sides are not in the same ratio

2)are similar since corresponding sides are in the same ratio and corresponding angles are equal

hope it will

#faazmessi