Question

hey frnds..... solve plz

Answer 1

$angle \: b + angle \: p + angle \: a \\ = 180 \\ 42 + 90 + angle \: a = 180 \\ angle \: a = 48 \\ angle \: a = angle \: q = 48 \\ since \: angle \: are \: eqal \: whic \: lie \: on \\ \: same \: segment$