The triangles Δ ABC and Δ PQC are similar by which similarity criteria?
In ΔABC and ΔPQC,∠ABC=∠PQC=(90∘)∠C=∠C (common angle)∴ ΔABC∼ΔPQC by AA similarity.
ABC is an isosceles triangle right-angled at B. Similar triangles ACD and ABE are constructed on sides AC and AB. Find the ratio between the areas of ΔABE and ΔACD. [4 MARKS]