Home Back

Find Hypotenuse of Right Triangle with Angle

Hypotenuse Formula:

\[ \text{hyp} = \frac{\text{leg}}{\cos(\theta)} \]

meters
degrees

Unit Converter ▲

Unit Converter ▼

From: To:

1. What is the Hypotenuse Calculator with Angle?

Definition: This calculator determines the hypotenuse length of a right triangle when you know the adjacent leg length and the angle between them.

Purpose: It helps in geometry, construction, and engineering calculations where right triangle properties are needed.

2. How Does the Calculator Work?

The calculator uses the trigonometric formula:

\[ \text{hyp} = \frac{\text{leg}}{\cos(\theta)} \]

Where:

Explanation: The cosine of the angle relates the adjacent side to the hypotenuse in a right triangle.

3. Importance of Hypotenuse Calculation

Details: Accurate hypotenuse calculation is essential for proper measurements in construction, navigation, and various engineering applications.

4. Using the Calculator

Tips: Enter the adjacent leg length in meters and the angle in degrees (must be between 0 and 90 degrees). All values must be positive.

5. Frequently Asked Questions (FAQ)

Q1: Why does the angle need to be less than 90 degrees?
A: Because in a right triangle, the other two angles must be acute (less than 90°), with the right angle being 90°.

Q2: What if I know the opposite side instead of adjacent?
A: You would use the sine function instead: hyp = opposite / sin(θ).

Q3: How precise should my angle measurement be?
A: For most practical purposes, 1-2 decimal places is sufficient, but use more for precision work.

Q4: Can I use this for non-right triangles?
A: No, this formula only works for right triangles. For other triangles, use the Law of Cosines.

Q5: What units does this calculator use?
A: The calculator uses meters for length, but you can use any unit as long as you're consistent.

Hypotenuse Calculator with Angle© - All Rights Reserved 2025