Asked by Anonymous
The perimeter of triangle PQR is 78, PQ=18, triangle PQR ~ triangle STU, AND ST=6. What is the perimeter of triangle STU?
Answers
Answered by
Helper
This assumes that sides PQ and ST are corresponding sides. You do not state the relation of the sides in your problem.
Create a proportion matching the corresponding sides and perimeters.
PQ/ST = Perimeter PQR/Perimeter STU
18/6 = 78/x
18x = 468
x = 26 = Perimeter STU
Create a proportion matching the corresponding sides and perimeters.
PQ/ST = Perimeter PQR/Perimeter STU
18/6 = 78/x
18x = 468
x = 26 = Perimeter STU
Answered by
area of triangle
17.3m