Question

if triangle ABC is similar to triangle pqr perimeter of triangle ABC is equal to 30 centimetre perimeter of triangle pqr is equal to 45 cm and PR is equal to 9 CM then the length of AC is equal to​

Answer 1

Answer:

AC = 6 cm

Step-by-step explanation:

Ab ~ PQ; BC ~ QR; AC ~ PR

Perimeter of triangle ABC = 30 cm

Perimeter of triangle PQR = 45 cm

PR = 9 cm

then PQ = QR = 18 cm

Perimeter of triangle ABC ÷ Perimeter of triangle PQR = 2/3

Therefore, AC/PR = 2/3

AC/9 = 2/3

AC= (9×2)/3

AC = 6 cm