Math: Middle School: Grades 6, 7 and 8 Quiz - Shapes 3 (Answers)
This Math quiz is called 'Shapes 3' and it has been written by teachers to help you if you are studying the subject at middle school. Playing educational quizzes is a fabulous way to learn if you are in the 6th, 7th or 8th grade - aged 11 to 14.
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A circle and a triangle are both shapes. Did you know it is said that only a genius can draw a perfect circle? Have a go and see if you are a genius! There are various types of triangles, like Isosceles, scalene or equilateral, depending on the size of their angles.
Do you know the difference between an oblong and a rectangle? Can you tell an isosceles from a scalene triangle? See how much you remember about shapes by playing this quiz.
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Scalene comes from the Greek word for "unequal"
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Do you remember that angles between 90o and 180o are called obtuse angles?
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If one shape can become identical to another by using turns, flips or slides but without changing the size, then the two shapes are congruent
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Remember that 'octa' means 8 and that 'hedron' means a 3D shape
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A regular octahedron would have equilateral triangles as each of its 8 faces
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A rectangle is a quadrilateral where all four sides are right angles
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If you cut a triangle into two with a straight line, at least one of the two pieces will be a triange
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The diameter is twice the radius
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Irregular polygons are where the sides are not equal
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Pentagons have 5 sides - all the other shapes have just 4
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