Предмет: Геометрия, автор: User2647

ДАЮ 35 БАЛЛОВ
ПРОСТО ЦИФРУ ОТВЕТА

Длина стороны квадрата равна 3√2. Найдите длину диагонали этого квадрата.

Из точки B к прямой aпроведены наклонная BA и перпендикуляр BC. Найдите BC, если ∠A=60∘, AC=3√3см. Ответ дайте в сантиметрах.

Периметр равнобедренного треугольника равен 32 см. Основание этого треугольника на 2 см больше боковой стороны. Найдите высоту треугольника, проведенную к основанию. 
Ответ дайте в сантиметрах.

Найдите высоту равнобедренной трапеции, длины оснований которой равны 5 и 7, а длина боковой стороны равна √17.

На сторонах треугольника построили квадраты с периметрами 36, 48 и 60.
Найдите площадь треугольника.

Ответы

Автор ответа: vasilisa33363
15
1)6
2)9
3)8
4)4
5)54
Лрсшпашпсшрс

User2647: большое спасибо!
vasilisa33363: ))
Похожие вопросы
Предмет: Английский язык, автор: gapangapan71
SPOTLIGHT 6 TEST 7 Variant B Task A. Fill in the correct word. Weekly – ghost – ruined – puzzled – rush – knock – mines – worried – introduce – naughty – loud e.g. He heard a loud noise and ran. 1 The streets were empty. It was like a .................. town. 2 The police were .................. . They had no idea who stole the money. 3 Can I .................. myself? My name is Henry Smith. 4 Fred was very .................. yesterday. He didn’t do his homework. 5 There were many .................. buildings in the town that people wanted to rebuild. 6 There are a lot of .................. health magazines that give good advice about diets. 7 We have got a lot of time. You don’t need to .................. . 8 She was .................. because her sister didn’t come home after school. 9 You must .................. on the door before you enter my room. 10 There are many gold .................. in South Africa. Task B. Complete the types of buildings. 11 h _ _ e _ 12 p _ _ t o _ f _ _ _ 13 _ e _ t _ _ r _ _ t 14 _ a l _ _ n 15 s _ _ o _ l Task C. Write the correct Past Simple form of the verbs. e.g. have ― had 16 drink ― .......................... 17 see ― .......................... 18 try ― .......................... 19 find ― .......................... 20 travel ― .......................... 21 come ― .......................... 22 read ― .......................... 23 give ― .......................... 24 make ― .......................... 25 stay ― .......................... Task D. Write the Past Simple form of the verbs in brackets. e.g. Judy went (go) to the cinema with friends last night. 26 Mike ............................. (walk) to school yesterday. 27 Walt Disney ......................... (die) in 1966. 28 I ......................... (spend) €40 on a new dictionary. 29 My parents ......................... (decide) to take a few days off work and paint the house. 30 Mark ......................... (not/sing) at the karaoke last night. Task E. Put the sentences into negative (-) and interrogative (?) forms. 31. + We met Mary at the cinema yesterday. - ________________________________ ? ________________________________ 32. + He wanted to go back. - ________________________________ ? ________________________________ Task F. Choose the correct response. e.g. What was in it? C 33 Excuse me. Is this Mr Brown’s Office? ....... 34 Here you are. ....... 35 Do any of these look familiar? ....... 36 Thank you very much. ....... 37 What does it look like? ....... A Yes. What can I do for you? B You’re welcome. C Some money and a camera. D Thank you. E It’s black with a silver handle. F Yes, the one in the corner is mine. помогите​
Предмет: Литература, автор: Залиночка55555