Найдите площадь прямоугольной трапеции,если длины ее оснований равны 8 см и 15 см,а длинна меньшей боковой стороны равна 4 см

                       Первеведите без переводчика.

Andrew got up and was ready to go.

"Oh, Andrew!" cried Miss Lark ."Very well , he will sleep in the room ."

    Andrew barked again.

   Andrew vbarked to his friend " Come on " and they went into the house.

    "He isn't stupid , you see " said Jane

   " No, " said Michael .  " But how can Mary Poppins ... ?

  " I don't know , " said Jane . And she'll never, never, tell us "

помогите умаляю сказка не с причастиями !