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# Rhombus Angle Calculator Online

A rhombus is a fascinating quadrilateral with equal-length sides and angles that exhibit unique properties. Understanding the angles within a rhombus is crucial for various mathematical and practical applications. The Rhombus Angle Calculator is an innovative tool designed to simplify the process of determining the internal angles of a rhombus, specifically the acute and obtuse angles. This calculator employs a straightforward formula, making it accessible to students, educators, and professionals seeking an efficient way to calculate these angles without delving into complex geometrical proofs.

## Formula of Rhombus Angle Calculator

To calculate the angles of a rhombus, one must measure two key dimensions: the height (h) and the side length (a). The acute angle (α) can be determined using the inverse sine function, formulated as:

`Acute angle (α) = sin⁻¹(h / a)`

Given the property that opposite angles in a rhombus are supplementary (adding up to 180°), the obtuse angle (β) can be easily found by subtracting the acute angle from 180°:

`Obtuse angle (β) = 180° - α`

Here’s a breakdown of the symbols used:

• α (alpha): Acute angle of the rhombus
• β (beta): Obtuse angle of the rhombus
• h: Height of the rhombus (the perpendicular distance from a side to the opposite side)
• a: Side length of the rhombus

## Example of Rhombus Angle Calculator

Consider a rhombus with a side length (a) of 10 units and a height (h) of 8 units. To find the acute angle (α), apply the formula:

`Acute angle (α) = sin⁻¹(8 / 10)`

• Acute angle (α): 53.13°
• Obtuse angle (β): 126.87°

## Most Common FAQs

Q1: Can I use this calculator for any type of rhombus?

A1: Yes, the Rhombus Angle Calculator is design to work with any rhombus, regardless of its dimensions, as long as you know its height and side length.

Q2: What if I only know the lengths of the diagonals?

A2: If you know the diagonal lengths, you can calculate the height using the properties of rhombuses and then proceed with the angle calculation.