Area of Triangle Worksheets

There are six sets of area worksheets:
Area of Rectangles
Area of Rectangles Word Problems
Area of Parallelogram
Area of Triangle
Area of Polygon by Decomposition
Area of Triangle using Sine

Examples, solutions, videos, and worksheets to help grade 5 learn how to find the area of a triangle: area of a right triangle, area of an acute triangle, area of an obtuse triangle.

How to find the area of a triangle?

There are three sets of area of triangle worksheets.

• Area of right triangles
• Area of acute triangles
• Area of obtuse triangles

To find the area of a triangle, you can use the following formula:

A = (1/2)bh

Where:

• A is the area of the triangle.
• b, the base is the length of the side of the triangle on the bottom.
• h, The height is the perpendicular distance from the base to the opposite vertex.

Here are the steps to calculate the area of a triangle:

1. Measure the length of the base, which is one of the sides of the triangle.
2. Measure the height, which is the perpendicular distance from the base to the opposite vertex. Ensure that this measurement forms a 90-degree angle with the base.
3. Use the formula A = (1/2)bh.
   Multiply the base by the height, and then divide the result by 2 to calculate the area.

Example:
Find the area of a triangle with a base of 8 units and a height of 6 units.
A = (1/2)bh
A = (1/2)(8)(6)
A = 24 square units

So, the area of the triangle is 24 square units.

Have a look at this video if you need to review how to find the area of a triangle.

• Finding the Area of a Triangle

Click on the following worksheet to get a printable pdf document.
Scroll down the page for more Area of Triangle Worksheets.

 

More Area of Triangle Worksheets

Printable
(Answers on the second page.)
Area of Triangle Worksheet #1 (right triangles)
Area of Triangle Worksheet #2 (acute triangles)
Area of Triangle Worksheet #3 (obtuse triangles)

Online
Area & Perimeter of Rectangles 1
Area & Perimeter of Rectangles 2
Area & Perimeter of Rectangles 3

Area & Perimeter of Parallelogram
Area of Triangle
Area of Parallelograms
Area of Triangle & Parallelogram
Area of Trapezoid (Trapezium)
Area of Shapes
Area of shaded Region

Related Lessons & Worksheets

Area of Triangles

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