Question

please Solve it immedietly.​

Answer 1

Answer:

CONSTRUCTION-DRAW A LINE "MN" PARALLEL TO PQ AND RS

angle AQB=BAM {ANLTERNATE INTERIOR ANGLES}

angle ACS=MAC{alternate interior angles}

adding both the equations

angle AQB+ACS= angle MAC+BAM

angle AQB+ACS=angle BAC. {MAC +BAM=BAC}