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GeometryCambridge IGCSE Maths: Topic test

20 questions, 52 marks

Cambridge IGCSE Maths

Geometry topic test

Total 52 marks

Name

Class

Date

  1. 1
    A quadrilateral PQRSPQRS has PQPQ parallel to SRSR, PQ≠SRPQ\neq SR, and PS=QRPS=QR but PSPS is not parallel to QRQR.
    (a)
    What type of quadrilateral is PQRSPQRS?
    [1 mark]
    • AParallelogram
    • BKite
    • CRhombus
    • DIsosceles trapezium
    (b)
    A separate solid has 5 faces: 2 triangular and 3 rectangular. What is this solid?
    [1 mark]
    • ACone
    • BTriangular prism
    • CSquare pyramid
    • DCuboid
    (c)
    A third solid tapers from a circular base to a single point (apex). What is this solid?
    [1 mark]
    • ACylinder
    • BFrustum
    • CCone
    • DSphere

    Total for question 1: 3 marks

  2. 2
    In triangle XYZXYZ, angle X=55°X=55° and angle Y=72°Y=72°. Side YZYZ is extended beyond ZZ to point WW.
    (a)
    Find angle XZYXZY, the interior angle of the triangle at ZZ.
    [2 marks]
    (b)
    Find the exterior angle XZWXZW, formed by extending side YZYZ beyond ZZ.
    [2 marks]

    Total for question 2: 4 marks

  3. 3
    A hiker walks from base camp AA to checkpoint BB on a bearing of 048°048°, then from BB to camp CC on a bearing of 138°138°.
    (a)
    Find the bearing of AA from BB (the back bearing).
    [3 marks]
    (b)
    Given that angle ABCABC (the angle at BB between paths BABA and BCBC) can be found using the bearings, calculate angle ABCABC.
    [3 marks]

    Total for question 3: 6 marks

  4. 4
    Points EE, FF, GG and HH lie on a circle with centre OO, in that order, forming a cyclic quadrilateral EFGHEFGH. Angle EOGEOG (the reflex-free angle at the centre standing on the same arc as angle EFGEFG) is 136°136°. Chord EGEG is drawn, and angle FEG=35°FEG=35°.
    (a)
    Find angle EFGEFG, using the circle theorem relating angles at the centre and circumference.
    [4 marks]
    (b)
    Find angle EHGEHG, the opposite angle to EFGEFG in the cyclic quadrilateral EFGHEFGH.
    [4 marks]
    (c)
    In triangle EFGEFG, given angle FEG=35°FEG=35° and angle EFG=68°EFG=68° (from part (a)), find angle EGFEGF and hence state, with a reason, whether triangle EFGEFG is scalene, isosceles or right-angled.
    [5 marks]

    Total for question 4: 13 marks

  5. 5
    On a map with scale 1:500001:50000, the distance between two villages, MM and NN, is measured as 6 cm.
    (a)
    What is the real distance between MM and NN, in kilometres?
    [1 mark]
    • A0.30.3 km
    • B33 km
    • C3030 km
    • D300300 km
    (b)
    A third village, PP, is on a bearing of 205°205° from MM. Which compass direction is PP approximately from MM?
    [1 mark]
    • ANorth-east
    • BSouth-east
    • CSouth-west
    • DNorth-west
    (c)
    What is the bearing of MM from PP (the back bearing of 205°205°)?
    [1 mark]
    • A025°025°
    • B155°155°
    • C335°335°
    • D385°385°

    Total for question 5: 3 marks

  6. 6
    A circle has centre OO. A tangent touches the circle at point TT, and OT=5OT=5 cm. A point SS outside the circle is such that STST is part of the tangent line and OS=13OS=13 cm.
    (a)
    State the size of angle OTSOTS, giving a reason.
    [2 marks]
    (b)
    Find the length TSTS, using Pythagoras' theorem.
    [2 marks]

    Total for question 6: 4 marks

  7. 7
    A regular polygon has an interior angle of 156°156°.
    (a)
    Find the exterior angle of the polygon, and hence find the number of sides.
    [3 marks]
    (b)
    Two parallel lines are crossed by a transversal. One angle formed is co-interior with an angle equal to the exterior angle found in part (a) (i.e. 24°24°). Find this co-interior angle.
    [3 marks]

    Total for question 7: 6 marks

  8. 8
    A landscape designer plans a triangular garden plot XYZXYZ on a scale drawing using a scale of 1:4001:400. On the drawing, XY=6XY=6 cm, YZ=8YZ=8 cm and XZ=10XZ=10 cm. Corner XX is on a bearing of 062°062° from the site office BB. A circular flower bed at corner ZZ has centre OO, with ZWZW a diameter and VV a third point on the circumference; a tangent to the circle touches at VV.
    (a)
    Find the real-life length of each side of the garden plot XYZXYZ, in metres, and state the type of triangle XYZXYZ is, giving a reason based on its side lengths.
    [4 marks]
    (b)
    Given that angle ZVW=90°ZVW=90° (angle in a semicircle) and a tangent to the circle touches at VV, name the circle theorem that gives angle ZVWZVW, and find the angle between this tangent and the radius OVOV.
    [4 marks]
    (c)
    The garden design also includes a regular polygon flower border with an exterior angle of 36°36°. Find the number of sides of this polygon, its interior angle, and name the shape.
    [5 marks]

    Total for question 8: 13 marks

End of questions