Understanding Shapes

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  • Q1

    Find the reflex angle of 169°.

    Marks:1
    Answer:

    Reflex angle of 169° = 360° – 169°

    = 191°

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  • Q2

    In the figure given below, find the value of x.

    Marks:1
    Answer:

    The sum of all angles at a point on the same side of a straight line is 180°.

    Hence, (x + 5)° + 117° + x° = 180°

    or, 2x° + 122° =180°

    or, 2x° = 180° - 122°

    or, 2x° = 58°

    or, x° = 29°

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  • Q3

    Marks:1
    Answer:

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  • Q4

    Find the complementary angle of (38.4)°.

    Marks:1
    Answer:

    Complementary angle of (38.4)° = 90° – (38.4)°

    = (51.6)°

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  • Q5

    Road 1 and Road 2 cross each other at point O as shown in the figure given below. Find the missing angle.

    Marks:1
    Answer:

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