Вопрос школьника по предмету Геометрия
Точки A, B, C, D расположенные на окружности делят эту окружность на четыре дуги: AB, BC, CD и AD, градусные величины которых относятся соответственно как 4 : 3 : 1 : 2 . Найдите градусную меру угла C четырехугольника ABCD.
Ответ учителя по предмету Геометрия
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( 2х — 3 )( 2х+3 ) — (2х — 1) 2 =0
Taking a Break in the Wild
Last summer, my friend Katie and I decided to go on a summer holiday together. We really needed to take time away from work and our busy city schedules 1) __. We both wished to something exciting and challenging, but at the same time, we wanted our excursion to be a truly educational experience. Luckily, a colleague at work had told Katie about a holiday package which combined training in wildlife survival skills along with nature exploration. The idea seemed appealing, 2) __. On the first day of the programme, we met our instructor, who told us to bear in mind that this was a First-time experience for all the members in the group 3) __ which was quite a relief to hear. At the start of the programme, we developed a deep understanding of plants and animals in the wild. After that, we 4) __ as well as recognise their particular eating habits and native habitats. We also learned how to gather wild plants and prepare them for food or medicine. During our last week, we mastered the art of building shelters out of trees and bushes, learned how to locate clean water 5) __. We actually accomplished things we could never have imagined doing, and most importantly, we discovered what a wide range of beautiful things nature has to offer us. A and build fires just by rubbing two sticks together В and that everyone could learn at their own pace C but we weren’t very keen on the idea at first D and do something different for a change E went on to learn how to identify different species of animals F so we set off the following week for our exciting adventure