
Тест з формули Герона
Authored by Анастасія Олександрівна
Mathematics
9th Grade
Used 3+ times

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5 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 2 pts
Формула Герона
S=1/2ab sinα
S=1/2ah
S=√p(p-a)(p-b)(p-c), p=(a+b+c)/2
2.
MULTIPLE CHOICE QUESTION
30 sec • 2 pts
Площа трикутника зі сторонами а=13 см, в=14 см,с=15 см дорівнює ...
84см
84см²
42см²
54 см²
3.
MULTIPLE CHOICE QUESTION
30 sec • 2 pts
Обчисліть площу трикутника зі сторонами а=2см5мм, в= 6 мм, с=29 мм
60 мм²
30мм²
60 см²
30 см²
4.
MULTIPLE CHOICE QUESTION
30 sec • 2 pts
Півпериметр трикутника зі сторонами а=5см,в=2,3дм, с=70 мм дорівнює ...
18см
17,5 см
130мм
5.
MULTIPLE CHOICE QUESTION
30 sec • 2 pts
Обчисліть площу рівностороннього трикутника зі стороною а= 20см
100√3см²
100 см²
200√3см²
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