
Radicais - 10º ano
Authored by Isabel Amaral
Mathematics
10th Grade
Used 12+ times

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8 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
(3√22)2 é igual a
81
121
198
211
2.
MULTIPLE CHOICE QUESTION
1 min • 10 pts
Considere a expressão: (√8+√2+1)2.
O valor da expressão é:
11
19 + 6√2
19
9+4√2
3.
MULTIPLE CHOICE QUESTION
1 min • 15 pts
Considere as afirmações, a,b⋲ℝ+
I - (√a)2= a
II - √a2 + √b2 = √(a2 +b2 )
III - (√a)2 ₓ (√b)2 = ab
IV - (√a)2 : (√b)2 = (a/b)2
Das afirmações seguintes qual é a verdadeira ?
Apenas a III é verdadeira
Apenas a II é falsa
III e IV são ambas falsas
I e III são ambas verdadeiras
4.
MULTIPLE CHOICE QUESTION
2 mins • 15 pts
Considere o retângulo [ABCD].
Sabe-se que:
. A̅B̅=6√5
.A̅D̅=3√3
.[AC] é a diagonal do retângulo
O valor da medida da diagonal é:
3√23
√39
9√5
9√3
5.
MULTIPLE CHOICE QUESTION
30 sec • 10 pts
Considere o retângulo [ABCD].
Sabe-se que:
. A̅B̅=6√5
.A̅D̅=3√3
.[AC] é a diagonal do retângulo
O valor da área do retângulo é.
9√15
6√15
3√15
18√15
6.
MULTIPLE CHOICE QUESTION
1 min • 15 pts
Considere o retângulo [ABCD].
Sabe-se que:
. A̅B̅=6√5
.A̅D̅=3√3
.[AC] é a diagonal do retângulo
O valor da medida do perímetro é:
12√5+6√3
6√5+3√3
18√5
18√3
7.
MULTIPLE CHOICE QUESTION
30 sec • 10 pts
Num trapézio isósceles [ABCD].
A base menor é igual aos lados não paralelos e tem √3 cm de comprimento.
A base maior tem 2√3 cm de comprimento.
O perímetro do trapézio é:
4√3 cm
5√3 cm
6√3 cm
7√3 cm
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