АВ диаметр окружности с центром О. найдите угол DCO, если ОА=ОС=АС​

this girl i know from first grade. now she is my best friend, her name is liana. february eighth she turns 16 years old. for his age liana is quite high. it is rarely a bad mood, so the face can be seen most radiant smile, what a sad, wistful look. sometimes she gets angry, and then become more noticeable freckles. if satisfied with liana, her expressive eyes sparkle, attracting people's attention. his black hair is cut by the "square". she always collect them in a ponytail, do not like to walk with her hair, thinking that she is not talking. sometimes we quarrel, and liana's angry, but quickly put up as if nothing had happened.when liana writes something or decides she concentrated form. it is hard man. solving the example, all will be well to paint, but if something does not work, then will decide again and again until it finds the correct answer. in general, liana is a very interesting person. she will be able to amuse anyone. listening to the radio, she will sing, that already looks pretty funny. she never refused help to anyone who requests it. especially not deny the teacher's request. it can rely on and be sure that if she trusted with a secret she would never tell nobody, no matter what happens.

1he said that they lived in oxford

2 the young scientist said that when the world run out of iron we would mine the moon

3 he said that the meachanical   clock in salisbary cathedra had been working since 1386 and it was oldest working clock

4 he said   that we will have the steak for dinner

5 he said that we will go for a walk

6 he asked her did she know where he put his umbrella

7 she asked her sister will go with her

8 his mother told to him   will go to his room and do his home work

9he said that he should answer all my questions

10   the little boy asked his parents that what they had bought to him for christmas

one of the most favourite small animals – hamsters. in apartment usually hold hamsters of one or two kinds, but except the most known syrian golden and asian hamsters, there is still an infinite set of kinds and the subspecies which representatives willingly become pets. houses hold syrian golden and asian hamsters, chinese or striped dwarfish and most more oftensmall – dwarfish hamsters roborovsky. meeting in the south to europe, ordinary hamsters – one of the greatest, it is long bodies of 25-35 sm, the weight can reach 500 grams. in special защечных bags the animal can accumulate a food significant amount. an ordinary hamster — the beautiful animal dressed in a red fur coat, украшеный white gloves and socks, and ears and a muzzle tip – white. small, brilliant eyes fearlessly look at the world.i will exchange.