
Планиметрия задачи 1
Quiz
•
Mathematics
•
11th Grade
•
Practice Problem
•
Hard
Tatiana Klets
Used 11+ times
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16 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Если около равнобокой трапеции с длинами оснований 8 и 10 описана окружность с центром,лежащим на большем основании,то площадь трапеции равна
27
25
26
54
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Если длины диагоналей ромба равны 30 и 40, то радиус окружности,вписанной в ромб,равен
12
6
8
10
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Если в равнобедренном треугольнике длина основания равна 12,а его периметр равен 32,то радиус окружности,вписанной в треугольник,равен
3
4
6
5
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Сумма длин оснований трапеции равна 24, расстояние от точки пересечения диагоналей до оснований равны 3 и 9. Найти длину большего основания трапеции
18
16
14
20
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Если в треугольнике ABC угол А тупой, sinA=0,6, AB=3, AC=5, то длина стороны BC равна
√58
√55
√57
√59
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Если в треугольнике ABC заданы AB=6, BC=7, AC=8. Найти синус угла В.
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Если хорда, перпендикулярная диаметру,делит его на отрезки, длины которых равны 5 и 45, то длина хорды равна
30
10
20
40
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