Cambridge CIE IGCSE Past Papers and solutions.

Questions and Worked Solutions for IGCSE 2020 0580/11 Oct/Nov Paper 1.

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IGCSE 2020 0580/11 Oct/Nov (pdf)

1.Write down the mathematical name for

(a) an angle which is less than 90°,

(b) a polygon with 5 sides

(c) a quadrilateral with exactly one pair of parallel sides
2. Put a ring around the word that describes two polygons that are the same shape and size�
3. Write 60/105 in its simplest form
4. Calculate
5. The diagram shows a rhombus

On the diagram, draw all the lines of symmetry
6. The diagram shows a shape made from rectangles

The shape has a total area of 517m^{2}

Find the value of x

- Hua cycles from her home to the library

The travel graph shows this journey - A field, ABC, is in the shape of a triangle

AC = 500m and BC = 650m

Using a ruler and compasses only, complete the scale drawing of the field ABC

Leave in your construction arcs

Use a scale of 1 cm to represent 100m

The side AB has been drawn for you - Alan and Beth share $1190 in the ratio Alan : Beth = 5 : 2

Work out how much Alan receives - Work out
- Rangan buys 3.6 kg of potatoes and 2�8kg of leeks

The total cost is $13.72

Leeks cost $2.65 per kilogram

Find the cost of 1 kg of potatoes - By writing each number correct to 1 significant figure, work out an estimate for T

You must show all your working

Find an expression for the nth term of this sequence. - (a) Write 18 as the product of its prime factors
- Without using a calculator, work out
- Change 4.37 litres into cubic centimetres
- Make x the subject of this formula

2y = 5x - 7 - Trina invests $16000 at a rate of 5% per year compound interest

Work out the value of her investment at the end of 4 years - Aisha records the distance she runs and her average speed

The results are shown in the scatter diagram - A circle has a circumference of 56mm

Work out the radius of this circle - Find the equation of line L in the form y = mx + c
- Calculate the value of x
- (a) Find the equation of line L in the form y = mx + c.

(b) On the grid, draw a line that is perpendicular to line L. - Explain why triangle ABC is similar to triangle PQR.

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