The perimeters of two similar triangles ABC and PQR are 156 cm and 46.8 cm, respectively. If BC = 19.5 cm and QR = x cm, then the value of x is:
Show answer & explanation
Correct answer: A
Explanation
The correct answer is option 1 i.e. 5.85 cm.
Perimeter of the triangle (ABC/PQR) = BC/QR
= 156/46.8 = 19.5/x
x = 6.5 × 0.9 = 5.85