Question Details

Detailed explanation and options for the selected question.

What is the area of an equilateral triangle with side length 10 cm?

A. 25√3 cm²
B. 50√3 cm²
C. 75√3 cm²
D. 100√3 cm²

Explanation:

Area = (√3/4) × side² = (√3/4) × 10² = 50√3 cm². Other options miscalculate the area.

Related Topics

How to Multiply and Divide Negative Numbers

Revision Notes

How to Calculate Dot Product and Angle Between Two Vectors

Revision Notes

How to Solve Linear Diophantine Equations (Ax + By = C)

Revision Notes

How to Use Probability Trees for Complex Probabilities

Revision Notes

How to Identify and Use Perfect Squares

Revision Notes

How to Solve Parametric Equations in 2D

Revision Notes

How to Graph Linear Inequalities in Two Variables

Revision Notes

How to Use the t-Distribution for Small Samples

Revision Notes

How to Recognize Conic Sections (Circle, Ellipse, Parabola, Hyperbola)

Revision Notes

How to Calculate Determinants of 2x2 and 3x3 Matrices

Revision Notes