# How do you find the surface area of an equilateral triangular pyramid?

Space and AstronomyThe formula to calculate the total surface area of a triangular pyramid is **1⁄2(a × b) + 3⁄2(b × s)**.

## How do you find the surface area of a triangular based pyramid?

Video quote: *Plus the area of the lateral faces added everything together and that gave us our total surface area now i'm going to show you one more way to find the surface area of a triangular pyramid and*

## What is the surface area of the pyramid the base is an equilateral triangle?

As the side faces are equilateral triangles with each side being 9 cm, therefore the side of the square base is 9 cm. The area of the whole surface =140.292+81=**221.29 square cm**.

## How do you find the area of an equilateral triangular prism?

Thus, total surface area of an equilateral triangular prism is **(√3a ^{2}/2) + 3(a × h**); Lateral surface area of an equilateral triangular prism = 3(a × h), where, ‘h’ is height of a prism and ‘a’ is side length of the triangular base.

## How do you find the volume of a pyramid with an equilateral triangle base?

Video quote: *So here we're asked to find the volume of an equilateral triangular pyramid so pyramids are a little bit different in volume it's 1/3 the area of the base times the height.*

## How do u find the surface area of a triangle?

The height line will run through the interior of the triangle. **Multiply the base length by the height**. For example, if your base measurement is 10 cm and the height is 6 cm, the base multiplied by the height would be 60 square cm. Divide the result of the base times height by two to determine the surface area.

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