##### Asked by: Manuela Meyr

asked in category: General Last Updated: 13th May, 2020# What is the relation between perimeter and area of a triangle?

**perimeter**of any polygon is the sum of its side lengths, the

**perimeter**of a

**triangle**with side lengths a, b, and c is P = a + b + c. The formula for the

**area of a triangle**can be derived either from the formula for the

**area**of a rectangle or from the formula for the

**area**of a parallelogram.

Also asked, how fo you find the perimeter of a triangle?

Remember the **formula** for finding the **perimeter of a triangle**. For a **triangle** with sides a, b and c, the **perimeter** P is defined as: P = a + b + c. What this **formula** means in simpler terms is that to **find** the **perimeter of a triangle**, you just add together the lengths of each of its 3 sides.

Additionally, what is the formula for perimeter of area? The formula for the perimeter of a **rectangle** is often written as P = 2l + 2w, where l is the **length** of the **rectangle** and w is the width of the **rectangle**. The area of a two-dimensional figure describes the amount of surface the shape covers.

Furthermore, what is the area and perimeter of all shapes?

**Perimeter** is the distance around a two-dimensional **shape** such as square or rectangle or triangle. **Area** : The amount of space inside the boundary of a two- dimensional **shape** such as a triangle or circle.

What are the formulas for triangles?

Pythagoras' theorem states that in a right **triangle** (or right-angled **triangle**) the sum of the squares of the two smaller sides of the **triangle** is equal to the square of the hypotenuse.

**Geometry Formulas Triangles - Pythagoras' Theorem**

- [ c = sqrt {a^2 + b^2} ]
- [ b = sqrt {c^2 - a^2} ]
- [ a = sqrt {c^2 - b^2} ]