How do you find the area of a triangle with 3 sides?
What is the Area of Triangle with 3 Sides Equal? If a triangle has 3 equal sides, it is called an equilateral triangle. The area of an equilateral triangle can be calculated using the formula, Area = a2(√3/4), where ‘a’ is the side of the triangle.
What are the formulas to find area?
Area Formulas
- Area of a Rectangle = Base × Height.
- Area of a Square = Base × Height.
- Area of a Square = s2
- Area of Triangle = ½(Base × Height)
- Area of Parallelogram = Base × Height.
- Area of Trapezoid = ½(Base1 + Base2) × Height.
- Area of Circle = π(radius)2 = πr2
How do you find the area of a triangle using coordinates?
The formula of area of triangle formula in coordinate geometry the area of triangle in coordinate geometry is: A = (1/2) |x1 1 (y2 2 − y3 3 ) + x2 2 (y3 3 − y1 1 ) + x3 3 (y1 1 − y2 2 )|, where (x1 1 ,y1 1 ),(x2 2 ,y2 2 ), and (x3 3 ,y3 3 ) are the coordinates of vertices of triangle.
How do you find area with points?
By finding the product of a point’s x coordinate times the next point’s y coordinate, then subtracting the y coordinate of the first point times the x coordinate of the second coordinate and dividing by two, you will find the area of the polygon.
What is the area of the triangle LMN?
4 square units
Therefore, the area of the triangle LMN = 4 square units.
How do you write the formula for the area of a triangle?
The most common formula for finding the area of a triangle is K = ½ bh, where K is the area of the triangle, b is the base of the triangle, and h is the height.
Which formula gives the area of a triangle?
In geometry, Heron’s formula (sometimes called Hero’s formula), named after Hero of Alexandria, gives the area of a triangle by requiring no arbitrary choice of side as base or vertex as origin, contrary to other formulae for the area of a triangle, such as half the base times the height or half the norm of a cross product of two sides.
How do you determine the area of a triangle?
Calculating the Area of a Triangle. How to find the area of a triangle: The area of a triangle can be found by multiplying the base times the one-half the height. If a triangle has a base of length 6 inches and a height of 4 inches, its area is 6*2=12 square inches.
How do you solve the area of a triangle?
The most common way to find the area of a triangle is to take half of the base times the height. Numerous other formulas exist, however, for finding the area of a triangle, depending on what information you know.