ЛИЦЕ НА ТРИЪГЪЛНИК - ТЕСТ
Authored by Galina Kostadinova
Mathematics
10th - 12th Grade
Used 3+ times
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15 questions
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1.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
Намерете лицето на триъгълник ABC по дадени страни:
a = 13 cm ; b = 14 cm ; c = 15 cm .
21 cm2
42 cm2
84 cm2
168 cm2
2.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
Намерете лицето на триъгълник ABC по дадени страни:
a = 9 cm ; b = 6 cm ; c = 5 cm .
10V2 cm2
5V2 cm2
15V2 cm2
20V2 cm2
3.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
Намерете лицето на триъгълник ABC по дадени страни:
a = 9 cm ; b = 10 cm ; c = 17 cm .
63 cm2
72 cm2
18 cm2
36 cm2
4.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
Намерете лицето на триъгълник ABC по дадени страни:
a = 8 cm ; b = 26 cm ; c = 30 cm .
24 cm2
48 cm2
96 cm2
192 cm2
5.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
Даден е триъгълник ABC със страни: a = 26 cm ; b = 75 cm ; c = 91 cm . Намерете лицето S, радиуса на вписаната окръжност r и радиуса на описаната окръжност R.
S = 8400 cm2 ; r = 35/4 cm ; R = 5915/112 cm .
S = 84 cm2 ; r = 35/4 cm ; R = 5915/112 cm .
S = 840 cm2 ; r = 35/4 cm ; R = 5915/112 cm .
S = 840 cm2 ; r = 4/35 cm ; R = 5915/112 cm .
6.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
Даден е триъгълник ABC със страни: a = 14 cm ; b = 30 cm ; c = 40 cm . Намерете лицето S, радиуса на вписаната окръжност r и радиуса на описаната окръжност R.
S = 1680 cm2 ; r = 4 cm ; R = 25 cm
S = 168 cm2 ; r = 4 cm ; R = 25 cm
S = 168 cm2 ; r = 2 cm ; R = 250 cm
S = 168 cm2 ; r = 8 cm ; R = 2,5 cm
7.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
Даден е триъгълник ABC със страни: a = 11 cm ; b = 13 cm ; c = 20 cm . Намерете лицето S, радиуса на вписаната окръжност r и радиуса на описаната окръжност R.
S = 660 cm2 ; r = 3 cm ; R = 6/65 cm
S = 33 cm2 ; r = 3/2 cm ; R = 65/6 cm
S = 66 cm2 ; r = 3 cm ; R = 65/6 cm
S = 66 cm2 ; r = 6 cm ; R = 65/6 cm
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