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English Senior High

英文2段落目3文目のfor fairy talesのforは使ってという意味で使われているんでしょうか。、? また、第4段落5文目が上手く訳せません、、、 これは過去完了でしょうか??それとも、彼女は持っていた、1番初めのwrittenとdrawnをみたいにただの過去形で... Read More

Your group is preparing a poster presentation entitled "The Woman Who 第5問(配点 15) c 15e uW y bos AS neighb A (20d dos Tot nongo in b s saoodt time a Wanti Created Peter Rabbit "using information from the magazine article below nob land her e Ved Pig ト popular character, Peter Rabbit. She brought her characters to life in b witty stories with finely detailed watercolors. a Br herit The daughter of wealthy parents, Helen Beatrix Potter was born on July 28, 1866 in South Kensington, London. She was educated at home and developed a love of literature and art. She used to practice her craft bv making illustrations for fairy tales like Cinderella and Sleeping Beauty. Also drawn to nature, she and her younger brother Walter kept many pets mice, rabbits, even bats and a hedgehog and she loved her family's long holidays in the Scottish countryside and the Lake District, a mountainous area in northwest England. in 19 The As a child and teenager, Potter made great sketches of her pets, as well as of trees and plants. She also kept a diary in which she recorded her Qpinions about cultural and political ideas and events. She wrote in a secret bs nsgst Peri 1866- Code that was not broken until fifteen years after her death. In the 1890s, Potter began selling her drawings.Potter's work was used for Christmas and New Year cards and an illustration of poetry. She was pleased by this success and decided to publish her own illustrated stories for children. In 1901, after the manuscript. was rejected by several publishers, she self-published her first book, The Tale of Peter Rabbit, She had first written and drawn a version of the story in a letter to the. sick child of her former private teacher.、The child was so delighted with it that Potter felt other children would be, too. She was right. The story of naughty Peter, who always gets into trouble because he does not follow his sisters' example and obey his mother's rules, was very popular. 、In 1902, the publisher Frederick Warne & Company printed a commercial edition, and it went on to become one of the most famous children's books of all time 1 Over the next twenty years, Potter wrote and illustrated twenty-two more books with that publisher, her early_observations of the animals and plants of her childhood often making their way into the stories. Potter's The Tale of Mrs. Tiggy-Winkle, published in 1905, for example, includes - 22 -

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Mathematics Senior High

(2)のまるで囲んでいるところがわかりません。なぜなるのか教えて欲しいです。

a o 補充例題127 三角形の形状決定 次の等式を満たす△ABC はどのような形をしているか。 (1) ccos B=bcos Cn (2) asinA+bsinB=csinC 194 (佐賀大 補充12 CHART OLUTION 辺だけの関係に直す 三角形の辺や角の等式 なお、三角形の形状は, その三角形がただ一通りに走まるように的確に答っ、 参考角だけの関係に直 と,正弦定理から c=2RsinC 解答 (1) 余弦定理により,与えられた等式は c'+a-6 a'+8-c -=6. 2ab 2ca b=2RsinB niet c+a°-6_α°+ぴー 2a これらを与式に代入し 理すると tanB=tan0 よって B=C (しかし,いつもこのよう うまくいくとは限らない よって 2a 両辺に2aを掛けて 2c=26° c+a-6°=a°+6-c° c=6° ゆえに すなわち b>0, c>0 であるから よって,△ABCは AB=AC の二等辺三角形 (2) AABC の外接円の半径をRとすると,正弦定理により c=b nieiS=Dd すると -Rの断りを忘れない。 うにする。 図におい aies b a sin A= sin B= sinC=。 S 2R 2R 2R これらを条件の式に代入して led'niaAS+ieA ー( SIna 6? 2RT2R (8nie+ Aaia) ()(ania+A 1B:AC 辺だけの関係に直す。 2R 両辺に2Rを掛けて よって,△ABC は ZC=90° の直角三角形 a°+8=c° から 00 INFORMATION 三角形の形状の答え方 200 (8a0b 三角形の形状を答えるとき, 単に,「二等辺三角形」とか「直角三角形」だけでは。 答として不十分である。等しい辺や直角である角も必ず示しておくようにする。円 上の解答では (1) AB=AC でそれを示している。 (2) ZC=90° PRACTICE…1279 次の等式を満たす△ABCはどのような形をしているか。 as 5のこ (1) bsin?A+acos'B=a

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