Calculați aria pătratului cu perimetrul de 36 cm.

test arii 7b

Quiz
•
Education
•
3rd Grade
•
Hard
Teofil Fanatan
FREE Resource
8 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
6 cm2
36cm2
18cm2
81cm2
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Calculați aria unui romb cu diagonalele de 16 cm si 9 cm
144cm2
72cm2
28cm2
288cm2
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Calculați aria unui paralelogram cu latura de 10 cm si înălțimea de 7 cm
70cm2
35cm2
70dm2
35cm2
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Aria trapezului cu bazele de 10 cm, respectiv 6 cm și înălțimea de 7 cm este egală cu ....cm2
54cm2
420cm2
210cm2
56cm
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Latura pătratului cu aria de 49 cm2 este egala cu.... cm
0,7m
7dm
14cm
7cm
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Perimetrul unui dreptunghi ABCD este egal cu 28 cm . Știind că lungimea este de 2,5 ori mai mare decât lățimea , determinați aria dreptunghiului.
28cm2
40cm2
60cm2
28x2,5cm2
7.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
140cm2
34cm2
17cm
68cm2
8.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Trapezul dreptunghic ABCD are
AB∥CD, m(∠A)=900,
AB=7 cm, CD=10 cm , AD 4 cm. Calculați aria triunghiului ABD
28cm2
70cm
35cm2
14cm2
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