Summary (Grade 12 NSC Matric Mathematics): Quizzes
📚Quizzes
Practise the questions
10 questions from this quiz
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Practise the questions
10 questions from this quiz
Which of these is NOT a valid way to express a ratio?
Which of these is NOT a valid way to express a ratio?
When do proportions occur?
When do proportions occur?
When two ratios are equal
Triangles with equal heights have areas proportional to what?
Triangles with equal heights have areas proportional to what?
Their bases
If is parallel to in triangle , what does the Proportion Theorem state?
If is parallel to in triangle , what does the Proportion Theorem state?
rac{AD}{DB} = rac{AE}{EC}
If a line divides two sides of a triangle in the same proportion, what is true?
If a line divides two sides of a triangle in the same proportion, what is true?
The line is parallel to the third side
In the Mid-point Theorem, the line joining two mid-points is what length of the third side?
In the Mid-point Theorem, the line joining two mid-points is what length of the third side?
Half
What does a line from a mid-point parallel to another side do to the third side?
What does a line from a mid-point parallel to another side do to the third side?
Bisects it
For two polygons to be similar, what two conditions must be met?
For two polygons to be similar, what two conditions must be met?
Equal angles AND proportional sides
In Pythagoras' Theorem, the square on the hypotenuse equals what?
In Pythagoras' Theorem, the square on the hypotenuse equals what?
Sum of squares on the other two sides
If in a triangle, what can you conclude about the angle between and ?
If in a triangle, what can you conclude about the angle between and ?
It is a right angle