Uz 13 kartītēm uzrakstīti skaitļi no 1 līdz 13 (uz katras kartītes viens skaitlis). Kada ir varbūtība, ka, uz labu laimi izvēloties vienu kartīti, uz tas būs uzrakstīts skaitlis no 1 līdz 6 (ieskaitot)?

19.side- angle- side

20. angle- side- angle

step-by-step explanation:

1. 3

2. 4

3. 1

hope this ! have a great day.

-wfz

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step-by-step explanation:

intersecting chords are just lines that intersect. so a line is equal to 180 degrees, so when it is intersected by another chord, then it create supplementary angles, and because the lines cross, vertical angels are also formed.

1. a^4+8a^3+24a^2+32a+16

2.y^8+8y^7+28y^6+56y^5+70y^4+56y^3+28y^2+8y+1

3.x^6-3x^4y^2+3x^2y^4-y^6