Algebra, arithmetic, reasoning.
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Circumference is 2πr.
Thus, 2 × 22/7 × 7 = 44 cm.
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A vertical line has a constant x-coordinate.
Therefore, x = -3 represents a vertical line.
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There are 2 favorable blue balls out of 5 total balls.
The probability is therefore 2/5.
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Triangle angles sum to 180°.
The third angle is 180° - 45° - 65° = 70°.
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One complete revolution corresponds to 360 degrees.
Therefore, the central angle of a full circle is 360°.
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Circle area is πr².
Thus, 22/7 × 49 = 154 cm².
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The inner rectangle measures 46 m by 26 m, with area 1,196 m².
The full area is 1,500 m², so the path area is 304 m².
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The probability is 4/10 × 3/9.
This simplifies to 12/90 = 2/15.
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All three angles are equal and their sum is 180°.
Therefore, each angle is 180° ÷ 3 = 60°.
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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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The intersection contains elements common to both sets.
Only 3 appears in both A and B.
