1
5 marks
Here is a rectangle.
The 8-sided shape below is made from 4 of these rectangles and 4 congruent right-angled triangles.
Work out the perimeter of the 8-sided shape.
You must show all your working.
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Pythagoras & Trigonometry with Right-Angled Triangles (Cambridge (CIE) O Level Maths): Exam Questions
Exam code: 4024
3 hours41 questions
2
4 marks
Triangle
has perimeter 20 cm.
= 7 cm. 
= 4 cm.
By calculation, deduce whether triangle is a right-angled triangle.
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1
3 marks
The length of one side of a rectangle is 12cm.
The length of the diagonal of the rectangle is 13cm.
Calculate the area of the rectangle.
.......................................... cm2
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2
4 marks
Calculate the area of this trapezium.
Give your answer as an exact value.
......................................... cm2
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1
4 marks
is a rectangle. 
is a straight line.
= 12 cm
Angle 
= 60°
Angle 
= 90°
Calculate the length of 
.
You must show all your working.
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