 # Geometry Formulas For Class 10

Formulas, theorems and properties are important in studying Geometry for class 10. If you are studying in class 10 and having trouble with Geometry formulas than you need to go through below listed formulas for scoring better marks in your board exam.

## List of Geometry Formulas

The formula chart for Geometry is to calculate area, base area, lateral area, surface area and perimeter for various Geometric shapes. You can also find the distance formula and equation of a circle formula.

Geometry Shapes Formulas for Class 10

Name

Formula

Area of Triangle

Area= ½ × base × height

Pythagorean Theorem

a2 + b2 = c2

Area of a Circle

Area = πr2

Circumference of a Circle

C = 2πr or πd

Area of a Parallelogram

Area = base × height

Area of a Trapezoid

Area = ½ × (base1 + base2) × height

Area of a Kite or a Rhombus

Area = ½ × (diagonal1 × diagonal2)

Area of a Square

Area = side2

Area of a Regular Polygon

Area = ½ × perimeter × apothem

Number of Diagonal in n-sided Polygon

Diagonals = ½ × n(n−3)

Slope

m = (y2−y1)/(x2−x1) = rise/run

Midpoint Formula

(xmp, ymp) = [(x1+x2)/2],[(y1+y2)/2]

Distance Formula

d = √[(x2−x1)2+(y2−y1)2]

Equation of a Circle

(x−h)2+(y−k)2 = r2 