Semelhança de triângulos
Quiz
•
Mathematics
•
9th Grade
•
Practice Problem
•
Hard
+5
Standards-aligned
Jenny Di Pardi
Used 148+ times
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10 questions
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1.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
As figuras abaixo nos mostram pares de triângulos semelhantes, dessa forma calcule os valores de e x e y:
x = 18, y = 18
x = 9 , y = 12
x = 13,5, y = 24
x = 15, y = 13,5
x = 24, y = 6
Tags
CCSS.HSG.SRT.A.2
CCSS.HSG.SRT.A.3
CCSS.HSG.SRT.B.5
2.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Na imagem a seguir, é possível perceber dois triângulos que compartilham parte de dois lados. Sabendo que os segmentos BA e DE são paralelos, qual a medida de x?
x = 200
x = 225
x = 250
x = 275
x = 300
Tags
CCSS.HSG.SRT.A.2
CCSS.HSG.SRT.A.3
CCSS.HSG.SRT.B.5
3.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Para descobrir a altura de um prédio, Luiz mediu a sombra do edifício e, em seguida, mediu sua própria sombra. A sombra do prédio media 7 metros, e a de Luiz, que tem 1,6 metros de altura, media 0,2 metros. Qual a altura desse prédio?
50 metros
56 metros
60 metros
66 metros
70 metros
Tags
CCSS.HSG.SRT.A.2
CCSS.HSG.SRT.A.3
CCSS.HSG.SRT.C.6
4.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Na imagem pretende-se saber qual a largura do rio, sabendo que a distância entre as estacas e a margem é de 6 m.
10 m
12 m
8 m
20 m
Tags
CCSS.HSG.SRT.C.6
CCSS.HSG.SRT.C.8
5.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Na figura estão representados dois triângulos retângulos.
Assinala a afirmação falsa.
x=5
a=b=40
A razão de semelhança que transforma o triângulo menor no triângulo maior é 4.
Os triângulos são semelhantes.
Tags
CCSS.HSG.SRT.A.2
CCSS.HSG.SRT.A.3
CCSS.HSG.SRT.B.5
6.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
A sombra de um prédio, em um terreno plano, em uma determinada hora do dia, mede 15 m. Nesse mesmo instante, próximo ao prédio, a sombra de um poste de altura 5 m mede 3 m. A altura do prédio, em metros, é:
25
29
30
31
Tags
CCSS.HSG.SRT.B.5
CCSS.HSG.SRT.C.6
7.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Tags
CCSS.HSG.SRT.A.2
CCSS.HSG.SRT.A.3
CCSS.HSG.SRT.B.5
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