Area of an Isosceles Triangle Worksheets

For young children, figuring out the how-to’s of calculating the height and area of isosceles triangles using the length of two congruent sides and the base may be a daunting task. Help alleviate a lot of this learning stress, by using our pdf worksheets curated especially for young achievers like yours! Students get some robust practice using the formulas provided in each of these printable practice materials to find the height and area of isosceles triangles. Jam-packed with illustrative exercises and word problems involving decimals and integers, this set has a world of practice for students to master the concept of isosceles triangles.

The worksheets are ideal for 8th grade and high school students.

CCSS: 8.G

Select the Measurement Units

Area of an Isosceles Triangle | Integer - Type1

Use this easy-to-understand, printable worksheet to ensure your students use every detail provided in the given figures and calculate the area of isosceles triangles when the dimensions are integers.

Area of an Isosceles Triangle | Integer - Type1

Area of an Isosceles Triangle | Integer - Type2

Get 8th graders to solve these exercises using illustrations and brief word problems involving integers. Let students employ the Pythagoras’ theorem and find the area of isosceles triangles systematically.

Area of an Isosceles Triangle | Integer - Type2

Area of an Isosceles Triangle | Decimal - Type1

Incorporated here are a number of illustrative exercises with side lengths in decimal measures. Students get ample practice in finding the height and area of isosceles triangles in this free pdf worksheet.

Area of an Isosceles Triangle | Decimal - Type1

Area of an Isosceles Triangle | Decimal - Type2

Test high school students’ skills in using the formulas correctly to solve the word problems and figures through the guidelines provided in the solved example. Use the answer keys to validate the results.

Area of an Isosceles Triangle | Decimal - Type2