(main)[3]
Fill in the statements below to demonstrate that triangle ACD and triangle ABD are congruent.
Mathematics 0580 · IGCSE · Right-angled triangles
Right-angled triangles — practice question
In triangle ABC, $AC = AB$. Point D lies on BC so that AD is perpendicular to BC. The diagram marks a right angle at D. NOT TO SCALE.
Worked solution & mark scheme
This 3-mark question has a full step-by-step worked solution and mark scheme. One marking point: “Correctly name $\angle ADC$ and $\angle ADB$, and give $90^{\circ}$.” …
- Full mark scheme, point by point
- Step-by-step worked solution
- Write your answer & get it marked instantly by AI