# Math Quiz Pib - Proofs And Symmetry

26 Questions | Total Attempts: 47  Settings  Related Topics
• 1.
What's the angle sum of a triangle?
• 2.
What's the angle sum of a quadrilateral? (fyrhörning)
• 3.
Which of the following alternatives are true about isosceles triangles? (likbenta trianglar) (More than one alternative can be correct.)
• A.

In isosceles triangles, two sides are equal in length

• B.

In isosceles triangles, all sides are equal in length

• C.

In isosceles triangles, the two base angles are equal (basvinklarna är lika)

• D.

In isosceles triangles, all angles are equal

• 4.
Which of the following alternatives are true about equilateral triangles? (liksidiga trianglar) (More than one alternative can be correct.)
• A.

In equilateral triangles, two sides are equal in length

• B.

In equilateral triangles, all sides are equal in length

• C.

In equilateral triangles, the two base angles are equal (basvinklarna är lika)

• D.

In equilateral triangles, all angles are equal

• 5.
What is x? (How many degrees)
• 6.
In which triangles can Pythagoras' theorem be used to calculate the unknown length?
• A.

A)

• B.

B)

• C.

C)

• D.

D)

• 7.
Calculate the unknown length.
• 8.
What is the line k called? (in english or swedish)
• 9.
How many degrees is angle x?
• 10.
How many degrees is angle x?
• 11.
How many lines of symmetry does each traffic sign have if you take the following into consideration: only the outer shape of the signs? OBS! Type your answer like this: Ex: A3 Binfinite C5 D0
• 12.
How many lines of symmetry does each traffic sign have if you take the following into consideration: outer shape, the text, colour and the content? OBS! Type your answer like this: Ex: A3 B2 C5 D0
• 13.
Which scales indicate a reduction (förminskning)?
• A.

1:4000

• B.

2:5

• C.

6:1

• D.

15:16

• E.

20000:1

• 14.
Which of the following formulas is used to calculate the scale?
• A.
• B.
• C.
• 15.
On a map with scale 1:350 000 is the distance between two cities 5 cm. How many kilometers is the distance in real life?
• 16.
Which of the following implications are true?
• A.
• B.
• C.
• D.
• E.
• 17.
Which of the following implications are equivalent? (Which of the following  can be replaced by  ?)
• A.
• B.
• C.
• D.
• E.
• F.
• G.
• 18.
Which of the following alternatives is true about theorems?
• A.

A theorem is the same as a statement

• B.

A theorem is the same as a definition

• C.

A theorem is based on experiments and observations

• D.

A theorem is a statement which has been mathimatically proven

• E.

A theorem is a starting point of reasoning

• 19.
"The triangle is right angled"...True or false?
• A.

True

• B.

False