Geometry worksheet featuring two challenging angle calculation problems with hints.
Two geometry problems on a worksheet. Question 4 shows an equilateral triangle ABC and a right-angled triangle ADC, with angle CAD = 40°, asking to find angle BCD and reflex angle BAD. Question 5 shows intersecting lines QPS and RPTU with SR = ST, asking to find angles x, y, and z. Hints are provided for each problem.