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How many degrees in a triangle?
The sum of angles in any triangle is 180°. view more
Mathematics
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What is the area of a circle?
Area = πr² (pi times radius squared) Example: Circle with radius 5 Area = π × 5² = 25π ≈ 78.54 square units Remember: Use radius (half of diameter), not diameter. view more
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What is pi (π)?
π ≈ 3.14159 Pi is the ratio of a circle's circumference to its diameter. view more
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How do you convert 0.625 to a fraction?
0.625 = 5/8 Step by step: 1. view more
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What is the square root of 144?
The square root of 144 is 12. view more
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How do you solve 2x + 5 = 13?
x = 4 Step by step: 1. view more
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What is the Pythagorean theorem?
a² + b² = c² Where: - a and b are the legs (shorter sides) - c is the hypotenuse (longest side, opposite right angle) Example (3-4-5 triangle): 3² + 4² = 9 + 16 = 25 = 5² view more
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What is the cube root of 27?
The cube root of 27 is 3. view more
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What is 25% of 200?
25% of 200 is 50. view more
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What is the area of a triangle?
Area = ½ × base × height The height must be perpendicular to the base. view more
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What is 15% of 80?
15% of 80 is 12. view more
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What is 8 cubed?
8 cubed is 512. view more
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What is 1/3 + 1/4?
1/3 + 1/4 = 7/12 Step by step: 1. view more
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What is the quadratic formula?
x = (-b ± √(b²-4ac)) / 2a Used to solve equations in the form: ax² + bx + c = 0 The discriminant (b²-4ac) determines solutions: - Positive: 2 real solutions - Zero: 1 real solution - Negative:... view more
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What is standard deviation?
A measure of how spread out data is from the mean. view more
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What is the GCD of 24 and 36?
The GCD (Greatest Common Divisor) of 24 and 36 is 12. view more
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How do you calculate probability?
Probability = favorable outcomes ÷ total possible outcomes Range: 0 (impossible) to 1 (certain) Examples: - Coin flip (heads): 1/2 = 0.5 = 50% - Die roll (any number): 1/6 ≈ 16.7% view more
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How do you solve 3x - 7 = 2x + 4?
x = 11 Step by step: 1. view more
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What is the slope-intercept form?
y = mx + b Where: - m = slope (rise/run) - b = y-intercept (where line crosses y-axis) Example: y = 2x + 3 - Slope: 2 (rises 2 for every 1 right) - Y-intercept: 3 view more
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What is 5 to the power of 4?
5 to the power of 4 is 625. view more