Practice Pakistan questions with answers and explanations.
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Circle area is πr².
Thus, 22/7 × 49 = 154 cm².
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A tangent to a circle is perpendicular to the radius drawn to the contact point.
The angle between them is 90°.
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A 90° arc is one quarter of the circumference.
The circumference is 88 cm, so the arc is 22 cm.
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Corresponding angles between parallel lines are equal.
Therefore, the other angle is also 110°.
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Sector area is angle/360 × πr².
Thus, 60/360 × 36π = 6π cm².
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Alternate interior angles formed by parallel lines are equal.
Thus, the matching angle is 65°.
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Cube volume is side cubed.
Thus, 4³ = 64 cm³.
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Complementary angles sum to 90°.
Thus, 90° - 38° = 52°.
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A cube has six square faces, each of area 25 cm².
Thus, total area is 6 × 25 = 150 cm².
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Supplementary angles sum to 180°.
Thus, 180° - 125° = 55°.
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Vertically opposite angles are equal.
Therefore, the opposite angle is 72°.
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For a triangle, the sum of any two sides must exceed the third.
Here 4 + 7 = 11, which is less than 12.
