Ɍɪɢɝɨɧɨɦɟɬɪɢɹ
1
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ȼɬɪɟɭɝɨɥɶɧɢɤɟ ABC ɭɝɨɥ Cɪɚɜɟɧ 90q, AC 20, tg A 0,5. ɇɚɣɞɢɬɟ BC .
Ɉɬɜɟɬ: ___________________________.
2
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ȼɬɪɟɭɝɨɥɶɧɢɤɟ ABC ɭɝɨɥ C ɪɚɜɟɧ 90q, AC 18, tgA 3. ɇɚɣɞɢɬɟ BC .
Ɉɬɜɟɬ: ___________________________.
3
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ȼɬɪɟɭɝɨɥɶɧɢɤɟ ABC ɭɝɨɥ Cɪɚɜɟɧ 90q, AC 12, tg A 1,5. ɇɚɣɞɢɬɟ BC .
Ɉɬɜɟɬ: ___________________________.
4
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ȼɬɪɟɭɝɨɥɶɧɢɤɟ ABC ɭɝɨɥ Cɪɚɜɟɧ 90q, BC 20, tg A 0,5. ɇɚɣɞɢɬɟ AC .
Ɉɬɜɟɬ: ___________________________.
5
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ȼɬɪɟɭɝɨɥɶɧɢɤɟ ABC ɭɝɨɥ Cɪɚɜɟɧ 90q, BC 18, tg A 3. ɇɚɣɞɢɬɟ AC .
Ɉɬɜɟɬ: ___________________________.
6
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ȼɬɪɟɭɝɨɥɶɧɢɤɟ ABC ɭɝɨɥ Cɪɚɜɟɧ 90q, BC 12, tg A 1,5. ɇɚɣɞɢɬɟ AC .
Ɉɬɜɟɬ: ___________________________.
7
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Ɍɚɧɝɟɧɫɨɫɬɪɨɝɨɭɝɥɚɩɪɹɦɨɭɝɨɥɶɧɨɣɬɪɚɩɟɰɢɢɪɚɜɟɧ . ɇɚɣɞɢɬɟɟɺɛɨɥɶɲɟɟ
ɨɫɧɨɜɚɧɢɟ, ɟɫɥɢɦɟɧɶɲɟɟɨɫɧɨɜɚɧɢɟɪɚɜɧɨɜɵɫɨɬɟɢɪɚɜɧɨ 15.
Ɉɬɜɟɬ: ___________________________.
8 ɇɚɪɢɫɭɧɤɟɢɡɨɛɪɚɠɺɧɩɪɹɦɨɭɝɨɥɶɧɵɣɬɪɟɭɝɨɥɶɧɢɤ. ɇɚɣɞɢɬɟɞɥɢɧɭɦɟɞɢɚɧɵ
ɬɪɟɭɝɨɥɶɧɢɤɚ, ɩɪɨɜɟɞɺɧɧɭɸɢɡɜɟɪɲɢɧɵɩɪɹɦɨɝɨɭɝɥɚ.
Ɉɬɜɟɬ: ___________________________.
9
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ɇɚɣɞɢɬɟɫɢɧɭɫɨɫɬɪɨɝɨɭɝɥɚɬɪɚɩɟɰɢɢ, ɢɡɨɛɪɚɠɺɧɧɨɣɧɚɪɢɫɭɧɤɟ.
Ɉɬɜɟɬ: ___________________________.
10
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ɇɚɣɞɢɬɟɬɚɧɝɟɧɫɭɝɥɚ, ɢɡɨɛɪɚɠɺɧɧɨɝɨɧɚɪɢɫɭɧɤɟ.
Ɉɬɜɟɬ: ___________________________.
11
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ɇɚɣɞɢɬɟɬɚɧɝɟɧɫɭɝɥɚ, ɢɡɨɛɪɚɠɺɧɧɨɝɨɧɚɪɢɫɭɧɤɟ.
Ɉɬɜɟɬ: ___________________________.
12 ȼ ɩɪɹɦɨɭɝɨɥɶɧɨɦ ɬɪɟɭɝɨɥɶɧɢɤɟ ABC ɤɚɬɟɬ AC = 75, ɚ ɜɵɫɨɬɚ CH , ɨɩɭɳɟɧɧɚɹɧɚɝɢɩɨɬɟɧɭɡɭ, ɪɚɜɧɚ 9 69 . ɇɚɣɞɢɬɟ sin‘ABC.
Ɉɬɜɟɬ: ___________________________.
13
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ȼɩɪɹɦɨɭɝɨɥɶɧɨɦɬɪɟɭɝɨɥɶɧɢɤɟ ABC ɤɚɬɟɬ AC = 70, ɚɜɵɫɨɬɚ CH , ɨɩɭɳɟɧɧɚɹɧɚɝɢɩɨɬɟɧɭɡɭ, ɪɚɜɧɚ 7 19 . ɇɚɣɞɢɬɟ sin‘ABC.
Ɉɬɜɟɬ: ___________________________.
14
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ȼɩɪɹɦɨɭɝɨɥɶɧɨɦɬɪɟɭɝɨɥɶɧɢɤɟ ABC ɤɚɬɟɬ AC =55, ɚɜɵɫɨɬɚ CH , ɨɩɭɳɟɧɧɚɹɧɚɝɢɩɨɬɟɧɭɡɭ, ɪɚɜɧɚ 44. ɇɚɣɞɢɬɟ sin‘ABC.
Ɉɬɜɟɬ: ___________________________.
15
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Ɍɚɧɝɟɧɫɨɫɬɪɨɝɨɭɝɥɚɩɪɹɦɨɭɝɨɥɶɧɨɣɬɪɚɩɟɰɢɢɪɚɜɟɧ . ɇɚɣɞɢɬɟɟɺɛyɥɶɲɟɟ ɨɫɧɨɜɚɧɢɟ, ɟɫɥɢɦɟɧɶɲɟɟɨɫɧɨɜɚɧɢɟɪɚɜɧɨɜɵɫɨɬɟɢɪɚɜɧɨ 14.
Ɉɬɜɟɬ: ___________________________.
16
Ɍɚɧɝɟɧɫɨɫɬɪɨɝɨɭɝɥɚɩɪɹɦɨɭɝɨɥɶɧɨɣɬɪɚɩɟɰɢɢɪɚɜɟɧ . ɇɚɣɞɢɬɟɟɺɛɨɥɶɲɟɟ ɨɫɧɨɜɚɧɢɟ, ɟɫɥɢɦɟɧɶɲɟɟɨɫɧɨɜɚɧɢɟɪɚɜɧɨɜɵɫɨɬɟɢɪɚɜɧɨ 55.
Ɉɬɜɟɬ: ___________________________.
17
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Ɍɚɧɝɟɧɫɨɫɬɪɨɝɨɭɝɥɚɩɪɹɦɨɭɝɨɥɶɧɨɣɬɪɚɩɟɰɢɢɪɚɜɟɧ . ɇɚɣɞɢɬɟɟɺɛɨɥɶɲɟɟ ɨɫɧɨɜɚɧɢɟ, ɟɫɥɢɦɟɧɶɲɟɟɨɫɧɨɜɚɧɢɟɪɚɜɧɨɜɵɫɨɬɟɢɪɚɜɧɨ 63.
Ɉɬɜɟɬ: ___________________________.
18
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ȼɬɪɟɭɝɨɥɶɧɢɤɟ ABC ɭɝɨɥ Cɪɚɜɟɧ 90D, BC 1, sin A 0,2. ɇɚɣɞɢɬɟ AB.
Ɉɬɜɟɬ: ___________________________.
19
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ȼɬɪɟɭɝɨɥɶɧɢɤɟ ABC ɭɝɨɥ Cɪɚɜɟɧ 90D, BC 7, sin A 0,5. ɇɚɣɞɢɬɟ AB.
Ɉɬɜɟɬ: ___________________________.
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