Congruence & Similarity

Congruence & Similarity Quiz

Spec E4.4 · Cambridge IGCSE Maths: Quiz

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5 questions, one answer each

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  1. 1. What must be true for two shapes to be congruent?

    • A. Same shape, different size
    • B. Same shape and same size
    • C. Same angles, proportional sides only
    • D. Same area only

  2. 2. Two similar rectangles have corresponding sides 3 cm and 9 cm. What is the scale factor from the smaller to the larger?

    • A. 2
    • B. 3
    • C. 6
    • D. 9

  3. 3. Two similar shapes have a length ratio of 2:3. What is their area ratio?

    • A. 2:3
    • B. 4:6
    • C. 4:9
    • D. 8:27

  4. 4. Two similar solids have a length ratio of 1:2. The smaller solid has volume 20 cm³. What is the volume of the larger solid?

    • A. 40 cm³
    • B. 80 cm³
    • C. 120 cm³
    • D. 160 cm³

  5. 5. Which condition (Extended) shows two triangles are similar using only angles?

    • A. SSS
    • B. SAS
    • C. AA
    • D. RHS

Quiz