answersLogoWhite

0

The area formulas for triangles, parallelograms, and trapezoids are derived from the area of a rectangle, as they can be thought of as derived shapes. The area of a rectangle is calculated as base times height (A = base × height). For a triangle, the area is half that of a rectangle with the same base and height (A = 1/2 × base × height). A parallelogram retains the rectangle's base and height relationship (A = base × height), while a trapezoid can be viewed as a rectangle with two triangles removed or added, leading to its area formula (A = 1/2 × (base1 + base2) × height).

User Avatar

AnswerBot

1mo ago

What else can I help you with?

Related Questions

What is the equation for area in math?

The formula depends on what shape you're working with. Triangles, circles, parallelograms, squares, trapezoids, ellipses, hexagons, prisms, cones, spheres, cylinders, etc. all have different formulas for their areas.


How do you use equations to solve problems about area of rectangles parallelograms trapezoids and triangles?

To solve problems about the area of shapes like rectangles, parallelograms, trapezoids, and triangles, you use specific formulas for each shape. For a rectangle, the area is calculated using the formula ( A = \text{length} \times \text{width} ). For a parallelogram, the area is ( A = \text{base} \times \text{height} ). For a trapezoid, the area is found using ( A = \frac{1}{2} \times (b_1 + b_2) \times \text{height} ), and for a triangle, the area is ( A = \frac{1}{2} \times \text{base} \times \text{height} ). By plugging in the given dimensions into these equations, you can compute the area for each shape.


How are these formulas helpful in working with triangles?

It might have helped to have some idea as to what "these" formulas" were.


A rectangle where you can enter text numbers or formulas?

A cell.


What are formulas for area and perimeter?

Perimeter is the distance around the figure. Add all sides. Area depends on the figure. Triangle --- 1/2 bh Rectangle --- lw. Others --- divide into triangles and find the area of each triangle then add all together.


What are 2 formulas to find the area of rectangle?

A= 2lw+2lh+2wh


What is the formulas of rectangle square and triangle?

Area formulas? Area of a rectangle equals base*height Area of a square equals side*side Area of a triange equals 1/2 * base* height


What are all the formulas of a rectangle?

A rectangle has the following properties:- It's a 4 sided quadrilateral It has 4 interior right angles that add up to 360 degrees Its 4 exterior angles add up to 360 degrees Its perimeter is the sum of its 4 sides Its area is length times width It has 2 diagonals It will tessellate It can be split into 2 right angle triangles It has lines of symmetry


How do do area problems?

For a square, rectangle, and parallelograms. The Formula is Base x Height( or Length x Width). With Circle it is Pi x Radius Squared With multiple unfamiliar shapes like a square with a missing corner. You have to split it into multiple formulas in Parentheses multiplying each one according to PEMDAS and then add all of the multiplied formulas them for your area. For Triangle it is Base x Height divided by 2( or times 1/2) because 2 triangles can make a square or rectangle. For height find the Right angle because usually your teacher puts a dotted line of the right angle. Don't matter the diagonals. For trapezoid is tricky. You do (B1(short line) + B2(Longer line) x Height divided by 2. Or remove divided by 2 and multiply by 1/2 because they are the same thing.


How do you figure out the area of a problem?

For a square, rectangle, and parallelograms. The Formula is Base x Height( or Length x Width). With Circle it is Pi x Radius Squared With multiple unfamiliar shapes like a square with a missing corner. You have to split it into multiple formulas in Parentheses multiplying each one according to PEMDAS and then add all of the multiplied formulas them for your area. For Triangle it is Base x Height divided by 2( or times 1/2) because 2 triangles can make a square or rectangle. For height find the Right angle because usually your teacher puts a dotted line of the right angle. Don't matter the diagonals. For trapezoid is tricky. You do (B1(short line) + B2(Longer line) x Height divided by 2. Or remove divided by 2 and multiply by 1/2 because they are the same thing.


How do you do a area problem that is in a number problem?

For a square, rectangle, and parallelograms. The Formula is Base x Height( or Length x Width). With Circle it is Pi x Radius Squared With multiple unfamiliar shapes like a square with a missing corner. You have to split it into multiple formulas in Parentheses multiplying each one according to PEMDAS and then add all of the multiplied formulas them for your area. For Triangle it is Base x Height divided by 2( or times 1/2) because 2 triangles can make a square or rectangle. For height find the Right angle because usually your teacher puts a dotted line of the right angle. Don't matter the diagonals. For trapezoid is tricky. You do (B1(short line) + B2(Longer line) x Height divided by 2. Or remove divided by 2 and multiply by 1/2 because they are the same thing.


Do you find the area of irregular shapes?

The best way would be to break the irregular shape down into several familiar shapes. If you can break down a complex figure into a rectangle and two triangles, for instance, you can use the known formulas for the area of those shapes to determine the total area when all added together.