Предмет: Геометрия, автор: Vadik1205

Напишите пожалуйста нужно срочно,

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Ответы

Автор ответа: scolnik2018
0
BE равно 5..................

Vadik1205: Напиши мне решение
Аноним: 10
Vadik1205: Решение
scolnik2018: FC=10
scolnik2018: FD =5
scolnik2018: BD=2,5
scolnik2018: BE=2,5 * 2
Vadik1205: И всё
scolnik2018: да, а что ещё?
chukotka777: Почему 5 если треугольники равны 5 равен отрезок DE
Автор ответа: chukotka777
0
Сначала нужно доказать что треугольники равны рассмотрим треугольник АBE и треугольник AFC они равны по 1 признаку равенства треугольников по 2 сторонам и углу между ними <А общий AF+ FE = AB+BC из равенства треугольников следует равенство их элементов
FC=BE=10 cm как стороны равных треугольников
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Test 2
Variant 1

Name:__________________________ Class: _________ Date: _______________
А

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3.I’d like two _______________ of sugar in my tea, please!
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9.Bill likes sharing his food with other little children at the _______________ school.
10.Where’s the chemist’s? - _______________ the supermarket.
11._______________ the oven to 190 °C and bake cherry cake for 50 minutes.
В

Complete the sentences with the words derived from the words in bold.
1.She has a very strong _____________ of coffee. She drinks tea. (like)
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С

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2.We __________never______________(buy) things at the flea market.
3.The waiters ________already____________ (serve) steamed fish.
4.Vegetables ____________________ (boil) for 30 minutes.
5.We____________________ (try) to find tickets for the concert for three weeks.
6.My sister _________________(write) her new book for the last two months.
7.She _______________________ (not/read) this book yet.
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10.How long _______ you ________________(study) English?
11.How many souvenirs you ________ your sister ______________(buy) in Spain?
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13.I ____________________(know) Mrs Brown for twenty years now.
14.Can we go soon? We ____________________ (walk) around this department store for about last two hours!
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D

Complete the phrasal verbs with the right pre"Times New Roman, serif">down with, off, without, up, with, after, through
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