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Areas related to circles - Areas of combinations of plane figures (Class 10 M...Let's Tute
Areas related to circles - Areas of combinations of plane figures (Class 10 Maths).
Let's tute is an E-school or E- platform which is free for the student.Students will watch "MATHS" Videos for conceptual understanding.
Contact Us -
Website - www.letstute.com
YouTube - www.youtube.com/letstute
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Mathematics KBSM Form 1-Chapter 9-12 By Kelvin including Chapter 9 (8) Lines and Angles I Chapter 10 (9) Polygons I Chapter 11 (10) Perimeter and Area Chapter 12 (X) Solid Geometry I
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Chapter 10 (9)
Polygons I
Chapter 11 (10)
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Areas related to circles - Areas of combinations of plane figures (Class 10 M...Let's Tute
Areas related to circles - Areas of combinations of plane figures (Class 10 Maths).
Let's tute is an E-school or E- platform which is free for the student.Students will watch "MATHS" Videos for conceptual understanding.
Contact Us -
Website - www.letstute.com
YouTube - www.youtube.com/letstute
Mathematics KBSM Form 1-Chapter 9-12 By Kelvin including Chapter 9 (8) Lines ...KelvinSmart2
Mathematics KBSM Form 1-Chapter 9-12 By Kelvin including Chapter 9 (8) Lines and Angles I Chapter 10 (9) Polygons I Chapter 11 (10) Perimeter and Area Chapter 12 (X) Solid Geometry I
Chapter 9 (8)
Lines and Angles I
Chapter 10 (9)
Polygons I
Chapter 11 (10)
Perimeter and Area
Chapter 12 (X)
Solid Geometry I
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Culturally, the Romans were eclectic, absorbing and adapting elements from the civilizations they encountered, particularly the Greeks. Roman art, literature, and philosophy reflected this synthesis, creating a rich cultural tapestry. Latin, the Roman language, became the lingua franca of the Western world, influencing numerous modern languages.
Roman architecture and engineering achievements were monumental. They perfected the arch, vault, and dome, constructing enduring structures like the Colosseum, Pantheon, and aqueducts. These engineering marvels not only showcased Roman ingenuity but also served practical purposes, from public entertainment to water supply.
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Unit 8 - Information and Communication Technology (Paper I).pdfThiyagu K
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Operation “Blue Star” is the only event in the history of Independent India where the state went into war with its own people. Even after about 40 years it is not clear if it was culmination of states anger over people of the region, a political game of power or start of dictatorial chapter in the democratic setup.
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Students, digital devices and success - Andreas Schleicher - 27 May 2024..pptxEduSkills OECD
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Students, digital devices and success - Andreas Schleicher - 27 May 2024..pptx
Fa2 mat 6_e_dez21_carla nabeiro
1. Lê com atenção as questões e apresenta todos os cálculos que efetuares.
1. Na figura ao lado, está representada uma circunferência de centro no ponto 𝑂.
O segmento de reta de extremos 𝐴 e 𝐵 é um diâmetro da
circunferência.
Os pontos 𝐶 e 𝐷 pertencem à circunferência.
1.1. Assinala a opção correta.
(A) Os pontos 𝐴, 𝑂 e 𝐵 pertencem à circunferência.
(B) Os pontos 𝐴, 𝑂 e 𝐵 pertencem ao círculo.
(C) Os pontos 𝐴, 𝑂 e 𝐵 pertencem ao segmento de reta [𝑂𝐵].
(D) Os pontos 𝐴, 𝑂 e 𝐵 pertencem à semirreta 𝑂̇𝐴.
1.2. Sabendo que 𝑂𝐶
̅̅̅̅ = 𝐵𝐶
̅̅̅̅ , classifica o triângulo [𝑂𝐵𝐶]:
a) Quanto aos lados; _________________________________________________
b) Quanto aos ângulos. _________________________________________________
2. Tendo em atenção a figura seguinte:
2.1. Completa as frases:
O ponto C é __________________________________da circunferência.
O [QT] é _____________________________________ da circunferência.
O [SR] é ______________________________________ da circunferência.
O [CP] é ______________________________________ da circunferência.
O < PCT é ________________________________________ da circunferência
2.2. Pinta um setor circular da circunferência.
FICHA DE AVALIAÇÃO N.º 2 – MATEMÁTICA – 6.º ANO – 2021/2022 – VERSÃO A
Nome:___________________________________________ Nº:_____ Turma:_____ Data:___/___/20____
Apreciação:______% _______________________________ Prof:__________ E.E.:_____________________
Observações:_______________________________________________________________________________
2. 3. Escolhe a opção correta em cada uma das questões seguintes e assinala-a com X.
a) Em qual das seguintes figuras está representado um ângulo ao centro?
(A) (B) (C) (D)
b) Em qual das seguintes figuras não está representado um setor circular?
(A) (B) (C) (D)
c) Em qual das opções seguintes está representada uma reta tangente à circunferência?
4. Considera a figura ao lado, onde estão representados um
retângulo e quatro circunferências geometricamente iguais.
Sabendo que o retângulo mede 10 cm de comprimento,
determina:
4.1. O raio de cada círculo;
___________________________________________________________________________
4.2. A largura do retângulo.
___________________________________________________________________________
4.3. O perímetro do retângulo.
10 cm
(A) (B) (C) (D)
3. ___________________________________________________________________________
5. Observa a figura seguinte e indica:
5.1. O comprimento do diâmetro: ______________________
5.2. O comprimento do raio: ___________________________
5.3. O perímetro do círculo (Utiliza 3,1416 para valor aproximado de π .)
___________________________________________________________________________
5.4. A área do círculo (Utiliza 3,1416 para valor aproximado de π .)
___________________________________________________________________________
6. Determina a área de cada um dos polígonos.
a) b)
7. A figura seguinte é formada por um retângulo e por um círculo, com o mesmo centro. Determina
a área da parte colorida da figura. Apresenta a resposta com aproximação às unidades.
(Considera 3,1416 para valor aproximado de π.)
15 cm
4. 8. Para o seu aniversário, a Ana Rita fez convites em cartolina com a forma apresentada na figura
abaixo. Cada convite é composto por um quarto de um círculo com 16 cm de raio e por dois
semicírculos cujo diâmetro é igual a metade do raio do círculo grande.
Determina a área, em centímetros quadrados, de um convite.
Apresenta o resultado arredondado às unidades.
(Utiliza 3,1416 para valor aproximado de π .)
9. Um lago circular tem 1,75m de raio e vai ser protegido por uma vedação de rede com 40 cm de altura.
Quantos metros de rede são precisos?
(Utiliza 3,1416 para valor aproximado de )
R: ____________________________________________________
9.1. Se cada metro de rede custar 2, 25 euros, qual vai ser o valor da vedação?
R:____________________________________________________________________________
BOM TRABALHO!