Kak tolong dong. pake cara yg bener ya. yg no. 1 ampe 3mksh

Kak tolong dong. pake cara yg bener ya. yg no. 1 ampe 3mksh

$alpha = 78 : drajt \ 2b = alpha \ 2b = 78drajat \ b = 78 div 2 \ b = 39drajt$

$sdut : epb : = : sdut : pqd \ 5x : = 2x + 27 \ 5x - 2x = 27 \ 3x = 27 \ x = 27 div 3 \ x = 9 \ \$

sdut APQ = sdut EPB
sdut APQ = 5x
sdut APQ = 5 × 9
sdut APQ = 45drajt