Subject :IMO Class : Class 8

In the given figure (not drawn to scale), BA = BR and PQ is parallel to RS. Find x, y and z.

x | y | x | |
---|---|---|---|

A | 58° | 69° | 40° |

B | 58° | 40° | 30° |

C | 48° | 59° | 70° |

D | 69° | 40° | 58° |

the columns are marked as x y and x, please change to x y and z.