The figure shows a regular pentagon. Compare the measures of angles A and B.

It depends on the radius of the circle.

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Questions and Answers

1.

This picture shows all the stars of our project. What type of polygon is it?
- A.
  
  Hexagon
- B.
  
  Heptagon
- C.
  
  Octagon
- D.
  
  Decagon
Correct Answer
C. Octagon
2.

How many acute angles are there in this picture?
- A.
  
  1
- B.
  
  2
- C.
  
  3
- D.
  
  4
Correct Answer
D. 4
3.

The longest line segment is
- A.
  
  Electra – Polaris
- B.
  
  Polaris – Deneb
- C.
  
  Bellatrix - Arcturus
- D.
  
  Arcturus – Lesath
Correct Answer
C. Bellatrix - Arcturus
4.

The brightest star of our constellation is
- A.
  
  Arcturus
- B.
  
  Bellatrix
- C.
  
  Deneb
- D.
  
  Electra
- E.
  
  Lesath
- F.
  
  Polaris
- G.
  
  Rigel
- H.
  
  Sirius
Correct Answer
D. Electra
5.

How many axes of symmetry does the star in this picture have?
- A.
  
  2
- B.
  
  4
- C.
  
  6
- D.
  
  8
Correct Answer
D. 8
6.

How many triangles are there?
- A.
  
  25
- B.
  
  30
- C.
  
  35
- D.
  
  40
Correct Answer
D. 40
7.

Which polygon can’t you see in this picture?
- A.
  
  A triangle
- B.
  
  A square
- C.
  
  A rhombus
- D.
  
  A trapezium
Correct Answer
B. A square
8.

Which of these shapes has the same number of sides as the star?
- A.
- B.
- C.
- D.
Correct Answer
C.
9.

What is the total number of lines of symmetry that can be drawn on the shape?
- A.
  
  2
- B.
  
  5
- C.
  
  10
- D.
  
  15
Correct Answer
C. 10
10.

The perimeter of the star equals the perimeter of the regular hexagon. Each side of the hexagon is 10 cm long? How long is each side of the star?
- A.
  
  5 cm
- B.
  
  10 cm
- C.
  
  30 cm
- D.
  
  60 cm
Correct Answer
A. 5 cm
11.

The red and yellow planets have rings. There is a star next to the red planet. Another star is close to the blue planet. Blue is the planet with the symbol
- A.
  
  A
- B.
  
  B
- C.
  
  C
- D.
  
  D
Correct Answer
D. D
12.

The red and yellow planets have rings. There is a star next to the red planet. Another star is close to the blue planet. The yellow planet is
- A.
  
  A
- B.
  
  B
- C.
  
  C
- D.
  
  D
Correct Answer
C. C
13.

The figure should have a horizontal line of symmetry. Choose the missing part.
- A.
- B.
- C.
- D.
Correct Answer
C.
14.

$The figure shows a regular hexagon. What is the area of the yellow part as a fraction of the whole hexagon? - ProProfs$

The figure shows a regular hexagon. What is the area of the yellow part as a fraction of the whole hexagon?
- A.
  
  0.6
- B.
  
  2/3
- C.
  
  0.7
- D.
  
  0.8
Correct Answer
B. 2/3
15.

How many different pairs can be formed from four yellow stars and four red stars?
- A.
  
  12
- B.
  
  14
- C.
  
  16
- D.
  
  18
Correct Answer
C. 16
16.

A six-pointed regular star consists of two areas. What is the ratio of the yellow region in the area of the star?
- A.
  
  0.4
- B.
  
  0.5
- C.
  
  0.6
- D.
  
  0.7
Correct Answer
B. 0.5
17.

The figure shows a regular pentagon. Compare the measures of angles A and B.
- A.
  
  It depends on the radius of the circle.
- B.
  
  A = B
- C.
  
  A > B
- D.
  
  A < B
Correct Answer
B. A = B
18.

What is the sum of the numbers surrounding the letter L if
- A.
  
  21
- B.
  
  25
- C.
  
  28
- D.
  
  30
Correct Answer
A. 21
19.

The star equals
- A.
  
  72
- B.
  
  78
- C.
  
  82
- D.
  
  90
Correct Answer
C. 82
20.

This figure - the small stalled dodacahedron, is
- A.
  
  A polygon
- B.
  
  A polyhedron
Correct Answer
B. A polyhedron