Subject :IMO Class : Class 7
In the given figure (not drawn to scale), AD is parallel to BC. JDK, GHCI, EABF are straight and parallel lines.
Find:
(i) ∠GHD – ∠HDC (ii) ∠BCI + ∠HAB.
| (i) | (ii) | |
| A | 58° | 150° |
| B | 48° | 150° |
| C | 58° | 180° |
| D | 48° | 180° |