Skip to content / Đến nội dung
ThichHocToan.com

HKIMO 2026 Grade 5 National Final (Heat) Set 05 Question 19

HKIMO · HKIMO 2026 Grade 5 National Final (Heat) Set 05

Question 19

In the figure,$ABC$ and $PQR$ are congruent triangles. Given $AC=9$ cm, the lines $AB$ and $BC$ intersect $PR$ so that $PR$ is divided into three equal parts, and $CR=24$ cm. Find the shaded area in cm².

Question illustration

Source glossary (English–Vietnamese): Figure: hình vẽ; Two congruent triangles: hai tam giác giống nhau; Intersect: cắt; Respectively: lần lượt; 3 equal parts: 3 phần bằng nhau; Area: diện tích; Shaded part: phần tô đậm.