Вопрос школьника по предмету Математика
Площадь треугольника 64 см в квадрате. На одном из этих сторон проведена высота которая на 2 раза больше,Найдите эту сторону.
Ответ учителя по предмету Математика
S=a • h=2x • x : 2= x2
x2=64
x=8
2x=16
Ответ: высота =16 см, сторона=8см
Мне так кажется)
Похожие вопросы от пользователей
a)In the Present (Simple or Perfect).
1.The UK … (situate) on the British Isles.
2.The British Isles … (wash) by the seas and (separate)
from the continent by the North Sea and the English Channel.
3.The members of the House of Lords debate a bill after
it … (pass) by the House of Commons.
4.Many places in London … (redecorate) this year.
5.The Thames … (use) as an important waterway since
early times.
b)In the Past (Simple or Perfect).
6.After the first voyage of Columbus in 1492 America …
(name) the “New World”.
7.On July 4, 1776, the Declaration of Independence …
(adopt) by the American colonies.
8.During my visit to Washington D.C. I … (impress) by
the Washington Memorial.
9.Russian settlements in Alaska … (make) before G. Washing-ton became the President of the USA.
c)In the Future (Simple or Perfect).
10.The visitors … (tell) about the history of America by the
moment of their leaving.
11.As far as I know a new president … (elect) next year.
12.A new software product … (manufacture) by next
month.
13.I expect they … (invite) to spend their holiday in New
York.
14.The delegation … (meet) by the Queen next Tuesday.