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Slope (Straight lines)
m = tan θ = (y₂ − y₁)/(x₂ − x₁)
Where: m = slope, θ = angle
Solved example
Given: theta = 30°
Find: m (slope)
- Formula: m = tan(θ)
- Substitute the values: m = tan(30°)
- Result: m = 0.57735
Answer: m = 0.57735
Calculator
How to calculate Slope (Straight lines)
- Write down the formula: m = tan θ = (y₂ − y₁)/(x₂ − x₁).
- Note the known values (θ).
- Substitute them and simplify to find m.
- Use the calculator above to solve for any letter.
Frequently asked questions
What is the formula for Slope (Straight lines)?
The formula is m = tan θ = (y₂ − y₁)/(x₂ − x₁), where m = slope, θ = angle.
What is Slope (Straight lines) when theta = 30°?
m = 0.57735. Substitute the values into m = tan θ = (y₂ − y₁)/(x₂ − x₁) and simplify.