Mathematics 4024 · O Level · Similarity

Similarity — practice question

Triangles ABC and PQR are similar. In triangle ABC, AB = 6 cm and AC = 7 cm, while in triangle PQR, PQ = 9 cm.

(a)[2]

Calculate the value of PR.

(b)[2]

Triangle ABC has area $16\text{ cm}^2$. Calculate the area of triangle PQR.

Worked solution & mark scheme

This 4-mark question has a full step-by-step worked solution and mark scheme. One marking point: “$\frac{21}{2}$” …