У паралелограмі ABCD на стороні AD вибрано точку K. Діагональ AC і відрізок BK перетинаються в точці O. Визначте довжину сторони BC, якщо AK = 12 см, OK = 2 см, OB = 3 см.
Геометрія

Quiz
•
Mathematics
•
11th Grade
•
Easy
Olha Koriakina
Used 9+ times
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46 questions
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1.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
2.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
У рівнобедреному трикутнику ABC (AB = BC) BK – бісектриса кута B, точка K належить стороні AC. Які з наведених тверджень є правильними?
3.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
4.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
Коло радіуса 6 уписано в квадрат (див. рисунок). Визначте периметр квадрата.
5.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
6.
DRAW QUESTION
15 mins • 1 pt
.
7.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
Які з наведених тверджень є правильними?
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