Предмет: Геометрия, автор: nonamenonamenoname16

Из точки М к плоскости α проведены две наклонные, длины которых относятся как 13 : 15 .
Их проекции на эту плоскость равны 10 см и 18 см .Найдите расстояние от точки М до плоскости α.

Ответы

Автор ответа: joo32

Ответ:

расстояние от точки м до плоскости а

равно 24см

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Употребите правильную форму глаголов в скобках.
Robert is a very ordinary boy. He (live) with his mother and
father in a perfectly ordinary house in an ordinary street which
(be) opposite the park. Every morning his father (put) on his
hat, (pick) up his umbrella from the hall, and (go) off to work.
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In the afternoon when he (get) home, his mother (open) the
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when his father (come) back from work, they all (have) supper
and (talk) a bit, and then Robert (go) to bed. Robert (like) his
life exactly the way it (be).
But one day when he returns home from school, his father
(open) the door and (say): “You (be) home early today, Robert.”
“I (be) always on time, Dad,” (say) Robert. “You (be) the one
that (be) early.”
“Today (be) a very important day,” (explain) his father. “It’s
day one. Our life (be) very boring. From today things (be)
going to be different. I have an idea. It (be) an absolutely
original idea. We (be) going to move out of our house and (live)
in a treehouse in the park close to nature.” “But there (be)
not a treehouse in the park,” (cry) Robert. “So we shall build
one,” (answer) George. Robert (feel) very, very unhappy, as he
not (want) to leave his comfortable house, his Lego, his model
planes, some books and his Action Man. But his parents (be)
happy with the new prospect and (not want) to listen to their
son who (think) that his Dad and Mom (be) just two crazy
people.