
Arii și perimetre clasa VII
Quiz
•
Mathematics
•
7th Grade
•
Practice Problem
•
Hard
Tania-Iuliana Iftime
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8 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Dacă într-un triunghi echilateral lungimea laturii este de 5 cm atunci aria este egală cu:
25cm2
20√3cm2
15cm2
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Care este perimetrul unui triunghi echilateral cu latura de 4 cm?
12cm
16cm
8cm
10cm
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Dacă ABCD este un romb cu lungimea laturii 15 cm, atunci perimetrul rombului este:
30cm
225cm
60cm
65cm
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Aria unui romb cu lungimile diagonalelor de 5cm si 4cm este:
20cm2
10cm2
15cm2
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
ABCD trapez cu AB=10cm, CD=6cm și AB||CD. Fie M mijlocul segmentului AD și N mijlocul segmentului BC,atunci MN=
16cm
5cm
3cm
8cm
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Care este aria unui trapez cu baza mare de 12 cm, baza mică de 8 cm și înălțimea de 5 cm?
7.
MULTIPLE CHOICE QUESTION
2 mins • 2 pts
Fie ABCD paralelogram cu ∢DAB=45°,AB=12cm și DM înalțimea.Dacă AM=4 cm atunci aria paralelogramului este egală cu:
8.
MULTIPLE CHOICE QUESTION
5 mins • 2 pts
Fie ABCD un trapez isoscel (AD≡BC) cu DC=10cm și DM înaltime. Dacă AM=DM=4cm atunci aria trapezului este egală cu:
56 cm²
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